12321512013 has 16 divisors (see below), whose sum is σ = 16817967936. Its totient is φ = 8019863040.

The previous prime is 12321511931. The next prime is 12321512041. The reversal of 12321512013 is 31021512321.

It is not a de Polignac number, because 12321512013 - 2¹⁷ = 12321380941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321516013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300253 + ... + 338813.

It is an arithmetic number, because the mean of its divisors is an integer number (1051122996).

Almost surely, 2^12321512013 is an apocalyptic number.

It is an amenable number.

12321512013 is a deficient number, since it is larger than the sum of its proper divisors (4496455923).

12321512013 is a wasteful number, since it uses less digits than its factorization.

12321512013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41084.

The product of its (nonzero) digits is 360, while the sum is 21.

The spelling of 12321512013 in words is "twelve billion, three hundred twenty-one million, five hundred twelve thousand, thirteen".