312521510452 has 12 divisors (see below), whose sum is σ = 555075519040. Its totient is φ = 153928505016.

The previous prime is 312521510423. The next prime is 312521510453. The reversal of 312521510452 is 254015125213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312521510453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583062252 + ... + 583062787.

Almost surely, 2^312521510452 is an apocalyptic number.

It is an amenable number.

312521510452 is a deficient number, since it is larger than the sum of its proper divisors (242554008588).

312521510452 is a wasteful number, since it uses less digits than its factorization.

312521510452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166125110 (or 1166125108 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 312521510452 its reverse (254015125213), we get a palindrome (566536635665).

The spelling of 312521510452 in words is "three hundred twelve billion, five hundred twenty-one million, five hundred ten thousand, four hundred fifty-two".