12696431120 has 40 divisors (see below), whose sum is σ = 30205703616. Its totient is φ = 4960464768.

The previous prime is 12696431107. The next prime is 12696431179. The reversal of 12696431120 is 2113469621.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×12696431120² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1841972 + ... + 1848851.

Almost surely, 2^12696431120 is an apocalyptic number.

12696431120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12696431120 is an abundant number, since it is smaller than the sum of its proper divisors (17509272496).

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

12696431120 is a wasteful number, since it uses less digits than its factorization.

12696431120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3690879 (or 3690873 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 12696431120 in words is "twelve billion, six hundred ninety-six million, four hundred thirty-one thousand, one hundred twenty".