12609308632 has 8 divisors (see below), whose sum is σ = 23642453700. Its totient is φ = 6304654312.

The previous prime is 12609308627. The next prime is 12609308651. The reversal of 12609308632 is 23680390621.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×12609308632² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 788081782 + ... + 788081797.

Almost surely, 2^12609308632 is an apocalyptic number.

It is an amenable number.

12609308632 is a deficient number, since it is larger than the sum of its proper divisors (11033145068).

12609308632 is a wasteful number, since it uses less digits than its factorization.

12609308632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576163585 (or 1576163581 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 12609308632 in words is "twelve billion, six hundred nine million, three hundred eight thousand, six hundred thirty-two".