12698600008 has 16 divisors (see below), whose sum is σ = 23841174060. Its totient is φ = 6340953600.

The previous prime is 12698599999. The next prime is 12698600009. The reversal of 12698600008 is 80000689621.

It can be written as a sum of positive squares in 2 ways, for example, as 7410110724 + 5288489284 = 86082^2 + 72722^2 .

It is a super-2 number, since 2×12698600008² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12698600009) 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, 1036833 + ... + 1049008.

Almost surely, 2^12698600008 is an apocalyptic number.

It is an amenable number.

12698600008 is a deficient number, since it is larger than the sum of its proper divisors (11142574052).

12698600008 is a wasteful number, since it uses less digits than its factorization.

12698600008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086608 (or 2086604 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 12698600008 in words is "twelve billion, six hundred ninety-eight million, six hundred thousand, eight".