12733663008 has 48 divisors (see below), whose sum is σ = 36464583456. Its totient is φ = 3858685440.

The previous prime is 12733662989. The next prime is 12733663009. The reversal of 12733663008 is 80036633721.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (12733663009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6028141 + ... + 6030252.

It is an arithmetic number, because the mean of its divisors is an integer number (759678822).

Almost surely, 2^12733663008 is an apocalyptic number.

It is an amenable number.

12733663008 is an abundant number, since it is smaller than the sum of its proper divisors (23730920448).

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

12733663008 is a wasteful number, since it uses less digits than its factorization.

12733663008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12058417 (or 12058409 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 12733663008 in words is "twelve billion, seven hundred thirty-three million, six hundred sixty-three thousand, eight".