12393361922 has 18 divisors (see below), whose sum is σ = 18726830217. Its totient is φ = 6151417536.

The previous prime is 12393361919. The next prime is 12393361931. The reversal of 12393361922 is 22916339321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12283510561 + 109851361 = 110831^2 + 10481^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=78719.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12393361922.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 35108498 + ... + 35108850.

Almost surely, 2^12393361922 is an apocalyptic number.

12393361922 is a deficient number, since it is larger than the sum of its proper divisors (6333468295).

12393361922 is an frugal number, since it uses more digits than its factorization.

12393361922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154 (or 578 counting only the distinct ones).

The product of its digits is 104976, while the sum is 41.

The spelling of 12393361922 in words is "twelve billion, three hundred ninety-three million, three hundred sixty-one thousand, nine hundred twenty-two".