12691492114992 has 20 divisors (see below), whose sum is σ = 32786354630520. Its totient is φ = 4230497371648.

The previous prime is 12691492114979. The next prime is 12691492114997. The reversal of 12691492114992 is 29941129419621.

It is a super-2 number, since 2×12691492114992² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12691492114997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132203042817 + ... + 132203042912.

It is an arithmetic number, because the mean of its divisors is an integer number (1639317731526).

Almost surely, 2^{12691492114992} is an apocalyptic number.

12691492114992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12691492114992 is an abundant number, since it is smaller than the sum of its proper divisors (20094862515528).

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

12691492114992 is a wasteful number, since it uses less digits than its factorization.

12691492114992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264406085740 (or 264406085734 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 60.

The spelling of 12691492114992 in words is "twelve trillion, six hundred ninety-one billion, four hundred ninety-two million, one hundred fourteen thousand, nine hundred ninety-two".