12252225155556 has 24 divisors (see below), whose sum is σ = 28871580072384. Its totient is φ = 4043638664800.

The previous prime is 12252225155537. The next prime is 12252225155579. The reversal of 12252225155556 is 65555152225221.

It is a happy number.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5054547120 + ... + 5054549543.

It is an arithmetic number, because the mean of its divisors is an integer number (1202982503016).

Almost surely, 2^{12252225155556} is an apocalyptic number.

It is an amenable number.

12252225155556 is an abundant number, since it is smaller than the sum of its proper divisors (16619354916828).

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

12252225155556 is a wasteful number, since it uses less digits than its factorization.

12252225155556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10109096771 (or 10109096769 counting only the distinct ones).

The product of its digits is 3000000, while the sum is 48.

The spelling of 12252225155556 in words is "twelve trillion, two hundred fifty-two billion, two hundred twenty-five million, one hundred fifty-five thousand, five hundred fifty-six".