13012313312 has 12 divisors (see below), whose sum is σ = 25617991896. Its totient is φ = 6506156640.

The previous prime is 13012313269. The next prime is 13012313339. The reversal of 13012313312 is 21331321031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203317364 + ... + 203317427.

It is an arithmetic number, because the mean of its divisors is an integer number (2134832658).

Almost surely, 2^13012313312 is an apocalyptic number.

It is an amenable number.

13012313312 is a deficient number, since it is larger than the sum of its proper divisors (12605678584).

13012313312 is an equidigital number, since it uses as much as digits as its factorization.

13012313312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406634801 (or 406634793 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13012313312 its reverse (21331321031), we get a palindrome (34343634343).

The spelling of 13012313312 in words is "thirteen billion, twelve million, three hundred thirteen thousand, three hundred twelve".