mlive.com — GRAND RAPIDS, MI - ArtPrize 2012 has topped 1,200 entries that will compete for the world's largest art prize worth a total of $560,000. The next Ran Ortner, Chris LaPorte or Mia Tavonatti, all grand prize winners of the first three ArtPrizes, is among more than 2,000 artists registered for the fourth ArtPrize.