12226542265625 has 32 divisors (see below), whose sum is σ = 15285585868800. Its totient is φ = 9779667750000.

The previous prime is 12226542265607. The next prime is 12226542265669. The reversal of 12226542265625 is 52656224562221.

It is not a de Polignac number, because 12226542265625 - 2³² = 12222247298329 is a prime.

It is a super-2 number, since 2×12226542265625² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 924915266 + ... + 924928484.

It is an arithmetic number, because the mean of its divisors is an integer number (477674558400).

Almost surely, 2^{12226542265625} is an apocalyptic number.

It is an amenable number.

12226542265625 is a deficient number, since it is larger than the sum of its proper divisors (3059043603175).

12226542265625 is an frugal number, since it uses more digits than its factorization.

12226542265625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25093 (or 25063 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 50.

The spelling of 12226542265625 in words is "twelve trillion, two hundred twenty-six billion, five hundred forty-two million, two hundred sixty-five thousand, six hundred twenty-five".