12604409912 has 32 divisors (see below), whose sum is σ = 24383948400. Its totient is φ = 6104236800.

The previous prime is 12604409911. The next prime is 12604409921. The reversal of 12604409912 is 21990440621.

It is a super-2 number, since 2×12604409912² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12604409911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92639 + ... + 183822.

Almost surely, 2^12604409912 is an apocalyptic number.

It is an amenable number.

12604409912 is a deficient number, since it is larger than the sum of its proper divisors (11779538488).

12604409912 is a wasteful number, since it uses less digits than its factorization.

12604409912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276647 (or 276643 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 12604409912 in words is "twelve billion, six hundred four million, four hundred nine thousand, nine hundred twelve".