12975621759252 has 96 divisors (see below), whose sum is σ = 34757041679360. Its totient is φ = 4183605145440.

The previous prime is 12975621759173. The next prime is 12975621759259. The reversal of 12975621759252 is 25295712657921.

12975621759252 is a `hidden beast` number, since 1 + 2 + 9 + 7 + 562 + 17 + 5 + 9 + 2 + 52 = 666.

12975621759252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12975621759252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12975621759259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13085074 + ... + 14041737.

Almost surely, 2^{12975621759252} is an apocalyptic number.

12975621759252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12975621759252 is an abundant number, since it is smaller than the sum of its proper divisors (21781419920108).

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

12975621759252 is a wasteful number, since it uses less digits than its factorization.

12975621759252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27126970 (or 27126962 counting only the distinct ones).

The product of its digits is 47628000, while the sum is 63.

The spelling of 12975621759252 in words is "twelve trillion, nine hundred seventy-five billion, six hundred twenty-one million, seven hundred fifty-nine thousand, two hundred fifty-two".