12251415522 has 16 divisors (see below), whose sum is σ = 24521680512. Its totient is φ = 4080663600.

The previous prime is 12251415467. The next prime is 12251415523. The reversal of 12251415522 is 22551415221.

It is a self number, because there is not a number n which added to its sum of digits gives 12251415522.

It is not an unprimeable number, because it can be changed into a prime (12251415523) by changing a digit.

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, 776938 + ... + 792549.

It is an arithmetic number, because the mean of its divisors is an integer number (1532605032).

Almost surely, 2^12251415522 is an apocalyptic number.

12251415522 is an abundant number, since it is smaller than the sum of its proper divisors (12270264990).

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

12251415522 is a wasteful number, since it uses less digits than its factorization.

12251415522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570793.

The product of its digits is 8000, while the sum is 30.

The spelling of 12251415522 in words is "twelve billion, two hundred fifty-one million, four hundred fifteen thousand, five hundred twenty-two".