12512441522 has 8 divisors (see below), whose sum is σ = 21449899776. Its totient is φ = 5362474932.

The previous prime is 12512441443. The next prime is 12512441533. The reversal of 12512441522 is 22514421521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12512441522² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 446872898 + ... + 446872925.

It is an arithmetic number, because the mean of its divisors is an integer number (2681237472).

Almost surely, 2^12512441522 is an apocalyptic number.

12512441522 is a deficient number, since it is larger than the sum of its proper divisors (8937458254).

12512441522 is an equidigital number, since it uses as much as digits as its factorization.

12512441522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893745832.

The product of its digits is 6400, while the sum is 29.

The spelling of 12512441522 in words is "twelve billion, five hundred twelve million, four hundred forty-one thousand, five hundred twenty-two".