"three hundred and twelve quadrillion" or maybe "three hundred twelve million billions" million (x * 10^6) = 1,000,000 billion (x * 10^9) = 1,000,000,000 trillion (x * 10^12) = 1,000,000,000,000 quadrillion (x * 10^15) = 1,000,000,000,000,000 qunitillion (x * 10^18) = 1,000,000,000,000,000,000 this is American English. British English has different names for 10^9 and 10^12, i think. -c ------------------------------ Smaller Animals Software, Inc. http://www.smalleranimals.com