12104157522 has 48 divisors (see below), whose sum is σ = 25758233280. Its totient is φ = 3791162112.

The previous prime is 12104157517. The next prime is 12104157551. The reversal of 12104157522 is 22575140121.

It is a happy number.

12104157522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12104157522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1116504 + ... + 1127292.

It is an arithmetic number, because the mean of its divisors is an integer number (536629860).

Almost surely, 2^12104157522 is an apocalyptic number.

12104157522 is an abundant number, since it is smaller than the sum of its proper divisors (13654075758).

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

12104157522 is a wasteful number, since it uses less digits than its factorization.

12104157522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11475 (or 11458 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

Adding to 12104157522 its reverse (22575140121), we get a palindrome (34679297643).

The spelling of 12104157522 in words is "twelve billion, one hundred four million, one hundred fifty-seven thousand, five hundred twenty-two".