12715683221322 has 48 divisors (see below), whose sum is σ = 28501133230440. Its totient is φ = 4092337178496.

The previous prime is 12715683221291. The next prime is 12715683221357. The reversal of 12715683221322 is 22312238651721.

12715683221322 is a `hidden beast` number, since 1 + 2 + 7 + 1 + 568 + 32 + 21 + 32 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8970378413481 + 3745304807841 = 2995059^2 + 1935279^2 .

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 23 ways as a sum of consecutive naturals, for example, 39510168 + ... + 39830700.

Almost surely, 2^{12715683221322} is an apocalyptic number.

12715683221322 is an abundant number, since it is smaller than the sum of its proper divisors (15785450009118).

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

12715683221322 is a wasteful number, since it uses less digits than its factorization.

12715683221322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396567 (or 396564 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The spelling of 12715683221322 in words is "twelve trillion, seven hundred fifteen billion, six hundred eighty-three million, two hundred twenty-one thousand, three hundred twenty-two".