12212606456 has 32 divisors (see below), whose sum is σ = 23058464400. Its totient is φ = 6063832320.

The previous prime is 12212606437. The next prime is 12212606479. The reversal of 12212606456 is 65460621221.

It is a congruent 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, 664511 + ... + 682641.

Almost surely, 2^12212606456 is an apocalyptic number.

It is an amenable number.

12212606456 is a deficient number, since it is larger than the sum of its proper divisors (10845857944).

12212606456 is a wasteful number, since it uses less digits than its factorization.

12212606456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18719 (or 18715 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 12212606456 in words is "twelve billion, two hundred twelve million, six hundred six thousand, four hundred fifty-six".