Almost surely, 219197776739372 is an apocalyptic number.
19197776739372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19197776739372 is a wasteful number, since it uses less digits than its factorization.
19197776739372 is an odious number, because the sum of its binary digits is odd.
The spelling of 19197776739372 in words is "nineteen trillion, one hundred ninety-seven billion, seven hundred seventy-six million, seven hundred thirty-nine thousand, three hundred seventy-two".