noun, plural duodecillions (as after a numeral) duodecillion.
a cardinal number represented in the U.S. by 1 followed by 39 zeros, and in Great Britain by 1 followed by 72 zeros.
amounting to one duodecillion in number.
Origin: Related forms
1910–15; < Latin duodec(im) twelve + -illion, as in million
duodecillionth, noun, adjective