12650858400800 has 36 divisors (see below), whose sum is σ = 30883908072906. Its totient is φ = 5060343360000.

The previous prime is 12650858400751. The next prime is 12650858400823. The reversal of 12650858400800 is 800485805621.

It can be written as a sum of positive squares in 3 ways, for example, as 12222603335056 + 428255065744 = 3496084^2 + 654412^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7906785701 + ... + 7906787300.

Almost surely, 2^{12650858400800} is an apocalyptic number.

12650858400800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12650858400800 is an abundant number, since it is smaller than the sum of its proper divisors (18233049672106).

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

12650858400800 is a wasteful number, since it uses less digits than its factorization.

12650858400800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15813573021 (or 15813573008 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 47.

The spelling of 12650858400800 in words is "twelve trillion, six hundred fifty billion, eight hundred fifty-eight million, four hundred thousand, eight hundred".