12606855868 has 12 divisors (see below), whose sum is σ = 22084267072. Its totient is φ = 6297065280.

The previous prime is 12606855829. The next prime is 12606855883. The reversal of 12606855868 is 86855860621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1586205 + ... + 1594132.

Almost surely, 2^12606855868 is an apocalyptic number.

It is an amenable number.

12606855868 is a deficient number, since it is larger than the sum of its proper divisors (9477411204).

12606855868 is a wasteful number, since it uses less digits than its factorization.

12606855868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181332 (or 3181330 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 55.

The spelling of 12606855868 in words is "twelve billion, six hundred six million, eight hundred fifty-five thousand, eight hundred sixty-eight".