12566610122 has 48 divisors (see below), whose sum is σ = 21227974656. Its totient is φ = 5573383200.

The previous prime is 12566610083. The next prime is 12566610131. The reversal of 12566610122 is 22101666521.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1871423 + ... + 1878125.

It is an arithmetic number, because the mean of its divisors is an integer number (442249472).

Almost surely, 2^12566610122 is an apocalyptic number.

12566610122 is a deficient number, since it is larger than the sum of its proper divisors (8661364534).

12566610122 is a wasteful number, since it uses less digits than its factorization.

12566610122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6915 (or 6904 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 12566610122 in words is "twelve billion, five hundred sixty-six million, six hundred ten thousand, one hundred twenty-two".