duodecillions

noun
  1. The plural of duodecillion; the number represented by 1 followed by 39 zeros in the short scale (U.S. and modern British), or 1 followed by 72 zeros in the long scale (traditional British and European).
  2. Usage: mathematics; The short scale (10^39) is standard in U.S. English and modern usage.; The long scale (10^72) is used in some European countries and older British texts.

Examples