12516455324 has 6 divisors (see below), whose sum is σ = 21903796824. Its totient is φ = 6258227660.

The previous prime is 12516455323. The next prime is 12516455339. The reversal of 12516455324 is 42355461521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12516455323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564556912 + ... + 1564556919.

It is an arithmetic number, because the mean of its divisors is an integer number (3650632804).

Almost surely, 2^12516455324 is an apocalyptic number.

It is an amenable number.

12516455324 is a deficient number, since it is larger than the sum of its proper divisors (9387341500).

12516455324 is a wasteful number, since it uses less digits than its factorization.

12516455324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3129113835 (or 3129113833 counting only the distinct ones).

The product of its digits is 144000, while the sum is 38.

The spelling of 12516455324 in words is "twelve billion, five hundred sixteen million, four hundred fifty-five thousand, three hundred twenty-four".