12612510815 has 16 divisors (see below), whose sum is σ = 15864732576. Its totient is φ = 9614976000.

The previous prime is 12612510811. The next prime is 12612510829. The reversal of 12612510815 is 51801521621.

It is not a de Polignac number, because 12612510815 - 2² = 12612510811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12612510811) 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, 706586 + ... + 724215.

It is an arithmetic number, because the mean of its divisors is an integer number (991545786).

Almost surely, 2^12612510815 is an apocalyptic number.

12612510815 is a deficient number, since it is larger than the sum of its proper divisors (3252221761).

12612510815 is a wasteful number, since it uses less digits than its factorization.

12612510815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430890.

The product of its (nonzero) digits is 4800, while the sum is 32.

The spelling of 12612510815 in words is "twelve billion, six hundred twelve million, five hundred ten thousand, eight hundred fifteen".