12322922638 has 24 divisors (see below), whose sum is σ = 20060460000. Its totient is φ = 5674765824.

The previous prime is 12322922627. The next prime is 12322922657. The reversal of 12322922638 is 83622922321.

It is a self number, because there is not a number n which added to its sum of digits gives 12322922638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111163 + ... + 192361.

It is an arithmetic number, because the mean of its divisors is an integer number (835852500).

Almost surely, 2^12322922638 is an apocalyptic number.

12322922638 is a deficient number, since it is larger than the sum of its proper divisors (7737537362).

12322922638 is a wasteful number, since it uses less digits than its factorization.

12322922638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81676 (or 81663 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The spelling of 12322922638 in words is "twelve billion, three hundred twenty-two million, nine hundred twenty-two thousand, six hundred thirty-eight".