12536615372 has 12 divisors (see below), whose sum is σ = 21976077816. Its totient is φ = 6257736000.

The previous prime is 12536615369. The next prime is 12536615423. The reversal of 12536615372 is 27351663521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2640254 + ... + 2644997.

It is an arithmetic number, because the mean of its divisors is an integer number (1831339818).

Almost surely, 2^12536615372 is an apocalyptic number.

It is an amenable number.

12536615372 is a deficient number, since it is larger than the sum of its proper divisors (9439462444).

12536615372 is a wasteful number, since it uses less digits than its factorization.

12536615372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5285848 (or 5285846 counting only the distinct ones).

The product of its digits is 226800, while the sum is 41.

The spelling of 12536615372 in words is "twelve billion, five hundred thirty-six million, six hundred fifteen thousand, three hundred seventy-two".