12373822656 has 448 divisors, whose sum is σ = 42091660800. Its totient is φ = 3532419072.

The previous prime is 12373822633. The next prime is 12373822667. The reversal of 12373822656 is 65622837321.

12373822656 is a `hidden beast` number, since 1 + 2 + 3 + 7 + 382 + 265 + 6 = 666.

It is a super-2 number, since 2×12373822656² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22620975 + ... + 22621521.

It is an arithmetic number, because the mean of its divisors is an integer number (93954600).

Almost surely, 2^12373822656 is an apocalyptic number.

12373822656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12373822656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21045830400).

12373822656 is an abundant number, since it is smaller than the sum of its proper divisors (29717838144).

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

12373822656 is a wasteful number, since it uses less digits than its factorization.

12373822656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 637 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 12373822656 in words is "twelve billion, three hundred seventy-three million, eight hundred twenty-two thousand, six hundred fifty-six".