12400244101664 has 12 divisors (see below), whose sum is σ = 24412980575214. Its totient is φ = 6200122050816.

The previous prime is 12400244101643. The next prime is 12400244101673. The reversal of 12400244101664 is 46610144200421.

It can be written as a sum of positive squares in only one way, i.e., 7968764410000 + 4431479691664 = 2822900^2 + 2105108^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193753814057 + ... + 193753814120.

Almost surely, 2^{12400244101664} is an apocalyptic number.

It is an amenable number.

12400244101664 is a deficient number, since it is larger than the sum of its proper divisors (12012736473550).

12400244101664 is an equidigital number, since it uses as much as digits as its factorization.

12400244101664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387507628187 (or 387507628179 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 12400244101664 in words is "twelve trillion, four hundred billion, two hundred forty-four million, one hundred one thousand, six hundred sixty-four".