13123099365972 has 144 divisors (see below), whose sum is σ = 31988134026240. Its totient is φ = 4186285044480.

The previous prime is 13123099365953. The next prime is 13123099366001. The reversal of 13123099365972 is 27956399032131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 322993923 + ... + 323034549.

Almost surely, 2^{13123099365972} is an apocalyptic number.

13123099365972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13123099365972 is an abundant number, since it is smaller than the sum of its proper divisors (18865034660268).

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

13123099365972 is a wasteful number, since it uses less digits than its factorization.

13123099365972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41022 (or 40979 counting only the distinct ones).

The product of its (nonzero) digits is 16533720, while the sum is 60.

The spelling of 13123099365972 in words is "thirteen trillion, one hundred twenty-three billion, ninety-nine million, three hundred sixty-five thousand, nine hundred seventy-two".