12544631622 has 16 divisors (see below), whose sum is σ = 27876959280. Its totient is φ = 4181543856.

The previous prime is 12544631609. The next prime is 12544631651. The reversal of 12544631622 is 22613644521.

12544631622 is a `hidden beast` number, since 1 + 25 + 4 + 4 + 6 + 3 + 1 + 622 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116153943 + ... + 116154050.

It is an arithmetic number, because the mean of its divisors is an integer number (1742309955).

Almost surely, 2^12544631622 is an apocalyptic number.

12544631622 is an abundant number, since it is smaller than the sum of its proper divisors (15332327658).

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

12544631622 is a wasteful number, since it uses less digits than its factorization.

12544631622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232308004 (or 232307998 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The spelling of 12544631622 in words is "twelve billion, five hundred forty-four million, six hundred thirty-one thousand, six hundred twenty-two".