12152500122 has 32 divisors (see below), whose sum is σ = 28454638464. Its totient is φ = 3387456000.

The previous prime is 12152500121. The next prime is 12152500147. The reversal of 12152500122 is 22100525121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12152500121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3526879 + ... + 3530322.

It is an arithmetic number, because the mean of its divisors is an integer number (889207452).

Almost surely, 2^12152500122 is an apocalyptic number.

12152500122 is an abundant number, since it is smaller than the sum of its proper divisors (16302138342).

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

12152500122 is a wasteful number, since it uses less digits than its factorization.

12152500122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7057254.

The product of its (nonzero) digits is 400, while the sum is 21.

The spelling of 12152500122 in words is "twelve billion, one hundred fifty-two million, five hundred thousand, one hundred twenty-two".