12391830070922 has 4 divisors (see below), whose sum is σ = 18587745106386. Its totient is φ = 6195915035460.

The previous prime is 12391830070891. The next prime is 12391830070933. The reversal of 12391830070922 is 22907003819321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6621404557681 + 5770425513241 = 2573209^2 + 2402171^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3097957517729 + ... + 3097957517732.

Almost surely, 2^{12391830070922} is an apocalyptic number.

12391830070922 is a deficient number, since it is larger than the sum of its proper divisors (6195915035464).

12391830070922 is an equidigital number, since it uses as much as digits as its factorization.

12391830070922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6195915035463.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 12391830070922 in words is "twelve trillion, three hundred ninety-one billion, eight hundred thirty million, seventy thousand, nine hundred twenty-two".