12461607522 has 96 divisors (see below), whose sum is σ = 33292441728. Its totient is φ = 3280497408.

The previous prime is 12461607451. The next prime is 12461607551. The reversal of 12461607522 is 22570616421.

It is a happy number.

12461607522 is a `hidden beast` number, since 1 + 2 + 46 + 1 + 607 + 5 + 2 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 915438 + ... + 928950.

It is an arithmetic number, because the mean of its divisors is an integer number (346796268).

Almost surely, 2^12461607522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12461607522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16646220864).

12461607522 is an abundant number, since it is smaller than the sum of its proper divisors (20830834206).

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

12461607522 is a wasteful number, since it uses less digits than its factorization.

12461607522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14104 (or 14101 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 12461607522 in words is "twelve billion, four hundred sixty-one million, six hundred seven thousand, five hundred twenty-two".