19963996691112 has 96 divisors (see below), whose sum is σ = 59370055617600. Its totient is φ = 6263214637824.

The previous prime is 19963996691039. The next prime is 19963996691117. The reversal of 19963996691112 is 21119669936991.

19963996691112 is a `hidden beast` number, since 1 + 9 + 96 + 399 + 66 + 91 + 1 + 1 + 2 = 666.

It is a super-2 number, since 2×19963996691112² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (19963996691117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 302012412 + ... + 302078507.

It is an arithmetic number, because the mean of its divisors is an integer number (618438079350).

Almost surely, 2^{19963996691112} is an apocalyptic number.

19963996691112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19963996691112 is an abundant number, since it is smaller than the sum of its proper divisors (39406058926488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19963996691112 is a wasteful number, since it uses less digits than its factorization.

19963996691112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604090957 (or 604090941 counting only the distinct ones).

The product of its digits is 76527504, while the sum is 72.

The spelling of 19963996691112 in words is "nineteen trillion, nine hundred sixty-three billion, nine hundred ninety-six million, six hundred ninety-one thousand, one hundred twelve".