12379135678 has 24 divisors (see below), whose sum is σ = 23261894712. Its totient is φ = 4897239984.

The previous prime is 12379135627. The next prime is 12379135697. The reversal of 12379135678 is 87653197321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4857100 + ... + 4859647.

It is an arithmetic number, because the mean of its divisors is an integer number (969245613).

Almost surely, 2^12379135678 is an apocalyptic number.

12379135678 is a deficient number, since it is larger than the sum of its proper divisors (10882759034).

12379135678 is a wasteful number, since it uses less digits than its factorization.

12379135678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9716776 (or 9716769 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 52.

The spelling of 12379135678 in words is "twelve billion, three hundred seventy-nine million, one hundred thirty-five thousand, six hundred seventy-eight".