12077979632 has 20 divisors (see below), whose sum is σ = 23447997000. Its totient is φ = 6026883648.

The previous prime is 12077979631. The next prime is 12077979643. The reversal of 12077979632 is 23697977021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12077979631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748403 + ... + 764370.

It is an arithmetic number, because the mean of its divisors is an integer number (1172399850).

Almost surely, 2^12077979632 is an apocalyptic number.

It is an amenable number.

12077979632 is a deficient number, since it is larger than the sum of its proper divisors (11370017368).

12077979632 is a wasteful number, since it uses less digits than its factorization.

12077979632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513280 (or 1513274 counting only the distinct ones).

The product of its (nonzero) digits is 2000376, while the sum is 53.

The spelling of 12077979632 in words is "twelve billion, seventy-seven million, nine hundred seventy-nine thousand, six hundred thirty-two".