12359979728 has 10 divisors (see below), whose sum is σ = 23947460754. Its totient is φ = 6179989856.

The previous prime is 12359979707. The next prime is 12359979791. The reversal of 12359979728 is 82797995321.

It can be written as a sum of positive squares in only one way, i.e., 11695989904 + 663989824 = 108148^2 + 25768^2 .

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, 386249351 + ... + 386249382.

Almost surely, 2^12359979728 is an apocalyptic number.

It is an amenable number.

12359979728 is a deficient number, since it is larger than the sum of its proper divisors (11587481026).

12359979728 is an equidigital number, since it uses as much as digits as its factorization.

12359979728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772498741 (or 772498735 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 62.

The spelling of 12359979728 in words is "twelve billion, three hundred fifty-nine million, nine hundred seventy-nine thousand, seven hundred twenty-eight".