12947211600 has 60 divisors (see below), whose sum is σ = 41474238336. Its totient is φ = 3452589440.

The previous prime is 12947211593. The next prime is 12947211623. The reversal of 12947211600 is 611274921.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5393472 + ... + 5395871.

Almost surely, 2^12947211600 is an apocalyptic number.

12947211600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12947211600 is an abundant number, since it is smaller than the sum of its proper divisors (28527026736).

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

12947211600 is a wasteful number, since it uses less digits than its factorization.

12947211600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10789364 (or 10789353 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The spelling of 12947211600 in words is "twelve billion, nine hundred forty-seven million, two hundred eleven thousand, six hundred".