12908863008 has 36 divisors (see below), whose sum is σ = 36709579998. Its totient is φ = 4302954240.

The previous prime is 12908863007. The next prime is 12908863013. The reversal of 12908863008 is 80036880921.

12908863008 is a `hidden beast` number, since 1 + 2 + 9 + 0 + 8 + 8 + 630 + 0 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12106160784 + 802702224 = 110028^2 + 28332^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12908863007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22410933 + ... + 22411508.

Almost surely, 2^12908863008 is an apocalyptic number.

12908863008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12908863008 is an abundant number, since it is smaller than the sum of its proper divisors (23800716990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12908863008 is a wasteful number, since it uses less digits than its factorization.

12908863008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44822457 (or 44822446 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 12908863008 in words is "twelve billion, nine hundred eight million, eight hundred sixty-three thousand, eight".