"It could be fun because I'd like to see some positive things happen for the country," he said.
Earlier, former Alaska Governor Sarah Palin said she is likewise aiming for presidential run in the 2012 elections, also under the Republican Party.
He was asked about the possibility of challenging Mrs Palin, who ran for vice-president in 2008, for the Republican ticket.
"I would take her on. I like her, but I'd take her on," he said.
Trump said he would run as a Republican and could "very easily" spend more than $200 million on his campaign.
"It could be fun because I'd like to see some positive things happen for the country," Trump said of running for the presidency. "I'm going to make a decision probably by June."
Trump said he would consider running for president because "the respect for this country is just not there. I have many people from China that I do business with, they laugh at us. They feel we're fools. And almost being led by fools. And they can't believe what they're getting away with."
is an American business magnate, socialite, author and television personality. He is the Chairman and CEO of the Trump Organization, a US-based real-estate developer. Trump is also the founder of Trump Entertainment Resorts, which operates numerous casinos and hotels across the world.
Trump's extravagant lifestyle and outspoken manner have made him a celebrity for years, a status amplified by the success of his NBC reality show, The Apprentice (where he serves as host and executive producer).