12820757022 has 12 divisors (see below), whose sum is σ = 27778306920. Its totient is φ = 4273585668.

The previous prime is 12820757003. The next prime is 12820757087. The reversal of 12820757022 is 22075702821.

12820757022 is a `hidden beast` number, since 1 + 2 + 82 + 0 + 7 + 570 + 2 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 356132122 + ... + 356132157.

It is an arithmetic number, because the mean of its divisors is an integer number (2314858910).

Almost surely, 2^12820757022 is an apocalyptic number.

12820757022 is an abundant number, since it is smaller than the sum of its proper divisors (14957549898).

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

12820757022 is a wasteful number, since it uses less digits than its factorization.

12820757022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712264287 (or 712264284 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The spelling of 12820757022 in words is "twelve billion, eight hundred twenty million, seven hundred fifty-seven thousand, twenty-two".