12452155222 has 16 divisors (see below), whose sum is σ = 20369643840. Its totient is φ = 5674398912.

The previous prime is 12452155211. The next prime is 12452155241. The reversal of 12452155222 is 22255125421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3029143 + ... + 3033250.

It is an arithmetic number, because the mean of its divisors is an integer number (1273102740).

Almost surely, 2^12452155222 is an apocalyptic number.

12452155222 is a deficient number, since it is larger than the sum of its proper divisors (7917488618).

12452155222 is a wasteful number, since it uses less digits than its factorization.

12452155222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6062487.

The product of its digits is 16000, while the sum is 31.

The spelling of 12452155222 in words is "twelve billion, four hundred fifty-two million, one hundred fifty-five thousand, two hundred twenty-two".