12536556233426 has 16 divisors (see below), whose sum is σ = 19300289525088. Its totient is φ = 6104007201600.

The previous prime is 12536556233387. The next prime is 12536556233447. The reversal of 12536556233426 is 62433265563521.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220173815 + ... + 220230746.

It is an arithmetic number, because the mean of its divisors is an integer number (1206268095318).

Almost surely, 2^{12536556233426} is an apocalyptic number.

12536556233426 is a deficient number, since it is larger than the sum of its proper divisors (6763733291662).

12536556233426 is a wasteful number, since it uses less digits than its factorization.

12536556233426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440404937.

The product of its digits is 23328000, while the sum is 53.

The spelling of 12536556233426 in words is "twelve trillion, five hundred thirty-six billion, five hundred fifty-six million, two hundred thirty-three thousand, four hundred twenty-six".