3121251552252 has 72 divisors (see below), whose sum is σ = 7966659896832. Its totient is φ = 1030316112000.

The previous prime is 3121251552247. The next prime is 3121251552271. The reversal of 3121251552252 is 2522551521213.

3121251552252 is a `hidden beast` number, since 3 + 1 + 2 + 1 + 2 + 51 + 552 + 2 + 52 = 666.

It is a super-2 number, since 2×3121251552252² (a number of 26 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1842502 + ... + 3104402.

Almost surely, 2^{3121251552252} is an apocalyptic number.

It is an amenable number.

3121251552252 is an abundant number, since it is smaller than the sum of its proper divisors (4845408344580).

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

3121251552252 is a wasteful number, since it uses less digits than its factorization.

3121251552252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262579 (or 1262574 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The spelling of 3121251552252 in words is "three trillion, one hundred twenty-one billion, two hundred fifty-one million, five hundred fifty-two thousand, two hundred fifty-two".