10251612972 has 36 divisors (see below), whose sum is σ = 26516449960. Its totient is φ = 3337733952.

The previous prime is 10251612919. The next prime is 10251612979. The reversal of 10251612972 is 27921615201.

10251612972 is a `hidden beast` number, since 10 + 2 + 516 + 129 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (10251612979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3309697 + ... + 3312792.

Almost surely, 2^10251612972 is an apocalyptic number.

10251612972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10251612972 is an abundant number, since it is smaller than the sum of its proper divisors (16264836988).

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

10251612972 is a wasteful number, since it uses less digits than its factorization.

10251612972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6622542 (or 6622537 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 10251612972 in words is "ten billion, two hundred fifty-one million, six hundred twelve thousand, nine hundred seventy-two".