NEW : 2012 's jackpot is $ 656 million . A single ticket costs $ 2 , and the odds of winning the jackpot are 1 in 175,223,510 . AnneClaire Stapleton is played in 43 states and the District of Columbia . Largest jackpot was a record $ 590.5 million in Mega Millions game in Saturday .
NEW : 2012 's jackpot is $ 656 million . AnneClaire Stapleton is played in 43 states and the District of Columbia . Largest jackpot was a record $ 590.5 million in Mega Millions game in Saturday .