12662256057 has 16 divisors (see below), whose sum is σ = 18420282048. Its totient is φ = 7673071680.

The previous prime is 12662256011. The next prime is 12662256059. The reversal of 12662256057 is 75065226621.

It is not a de Polignac number, because 12662256057 - 2¹⁸ = 12661993913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12662256059) 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, 280383 + ... + 322395.

It is an arithmetic number, because the mean of its divisors is an integer number (1151267628).

Almost surely, 2^12662256057 is an apocalyptic number.

It is an amenable number.

12662256057 is a deficient number, since it is larger than the sum of its proper divisors (5758025991).

12662256057 is a wasteful number, since it uses less digits than its factorization.

12662256057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51160.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 12662256057 in words is "twelve billion, six hundred sixty-two million, two hundred fifty-six thousand, fifty-seven".