12656199159 has 48 divisors (see below), whose sum is σ = 19838325760. Its totient is φ = 7961950080.

The previous prime is 12656199131. The next prime is 12656199161. The reversal of 12656199159 is 95199165621.

12656199159 is a `hidden beast` number, since 1 + 2 + 6 + 5 + 619 + 9 + 15 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-12656199159 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12656199659) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21342367 + ... + 21342959.

Almost surely, 2^12656199159 is an apocalyptic number.

12656199159 is a deficient number, since it is larger than the sum of its proper divisors (7182126601).

12656199159 is an frugal number, since it uses more digits than its factorization.

12656199159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269 (or 670 counting only the distinct ones).

The product of its digits is 1312200, while the sum is 54.

The spelling of 12656199159 in words is "twelve billion, six hundred fifty-six million, one hundred ninety-nine thousand, one hundred fifty-nine".