12313352502 has 48 divisors (see below), whose sum is σ = 29115292752. Its totient is φ = 3729908160.

The previous prime is 12313352479. The next prime is 12313352503. The reversal of 12313352502 is 20525331321.

It is a happy number.

12313352502 is a `hidden beast` number, since 1 + 2 + 3 + 133 + 525 + 0 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313352503) 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, 591088 + ... + 611564.

It is an arithmetic number, because the mean of its divisors is an integer number (606568599).

Almost surely, 2^12313352502 is an apocalyptic number.

12313352502 is an abundant number, since it is smaller than the sum of its proper divisors (16801940250).

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

12313352502 is a wasteful number, since it uses less digits than its factorization.

12313352502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23533 (or 23530 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 12313352502 its reverse (20525331321), we get a palindrome (32838683823).

The spelling of 12313352502 in words is "twelve billion, three hundred thirteen million, three hundred fifty-two thousand, five hundred two".