12492605422144 has 21 divisors (see below), whose sum is σ = 24790069994691. Its totient is φ = 6246288573120.

The previous prime is 12492605422117. The next prime is 12492605422153. The reversal of 12492605422144 is 44122450629421.

The square root of 12492605422144 is 3534488.

It is a perfect power (a square), and thus also a powerful number.

12492605422144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12492605422094 and 12492605422103.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 28054999 + ... + 28496809.

Almost surely, 2^{12492605422144} is an apocalyptic number.

12492605422144 is the 3534488-th square number.

It is an amenable number.

12492605422144 is a deficient number, since it is larger than the sum of its proper divisors (12297464572547).

12492605422144 is an frugal number, since it uses more digits than its factorization.

12492605422144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883634 (or 441813 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 46.

The spelling of 12492605422144 in words is "twelve trillion, four hundred ninety-two billion, six hundred five million, four hundred twenty-two thousand, one hundred forty-four".