12655437106 has 32 divisors (see below), whose sum is σ = 20808910080. Its totient is φ = 5736721536.

The previous prime is 12655437089. The next prime is 12655437127. The reversal of 12655437106 is 60173455621.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2032510 + ... + 2038726.

It is an arithmetic number, because the mean of its divisors is an integer number (650278440).

Almost surely, 2^12655437106 is an apocalyptic number.

12655437106 is a deficient number, since it is larger than the sum of its proper divisors (8153472974).

12655437106 is a wasteful number, since it uses less digits than its factorization.

12655437106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7618.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 12655437106 in words is "twelve billion, six hundred fifty-five million, four hundred thirty-seven thousand, one hundred six".