312444063252 has 72 divisors (see below), whose sum is σ = 792599248896. Its totient is φ = 103777982784.

The previous prime is 312444063241. The next prime is 312444063257. The reversal of 312444063252 is 252360444213.

312444063252 is a `hidden beast` number, since 3 + 1 + 244 + 406 + 3 + 2 + 5 + 2 = 666.

It is a super-2 number, since 2×312444063252² (a number of 24 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 not an unprimeable number, because it can be changed into a prime (312444063257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15391053 + ... + 15411339.

Almost surely, 2^312444063252 is an apocalyptic number.

It is an amenable number.

312444063252 is an abundant number, since it is smaller than the sum of its proper divisors (480155185644).

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

312444063252 is a wasteful number, since it uses less digits than its factorization.

312444063252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21797 (or 21792 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 312444063252 in words is "three hundred twelve billion, four hundred forty-four million, sixty-three thousand, two hundred fifty-two".