12699159837 has 32 divisors (see below), whose sum is σ = 20860170240. Its totient is φ = 6691861440.

The previous prime is 12699159829. The next prime is 12699159881. The reversal of 12699159837 is 73895199621.

It is not a de Polignac number, because 12699159837 - 2³ = 12699159829 is a prime.

It is a super-2 number, since 2×12699159837² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12699159037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261262 + ... + 306032.

It is an arithmetic number, because the mean of its divisors is an integer number (651880320).

Almost surely, 2^12699159837 is an apocalyptic number.

It is an amenable number.

12699159837 is a deficient number, since it is larger than the sum of its proper divisors (8161010403).

12699159837 is a wasteful number, since it uses less digits than its factorization.

12699159837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45833.

The product of its digits is 7348320, while the sum is 60.

The spelling of 12699159837 in words is "twelve billion, six hundred ninety-nine million, one hundred fifty-nine thousand, eight hundred thirty-seven".