12393134291 has 2 divisors, whose sum is σ = 12393134292. Its totient is φ = 12393134290.

The previous prime is 12393134269. The next prime is 12393134297. The reversal of 12393134291 is 19243139321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12393134291 - 2⁶ = 12393134227 is a prime.

It is not a weakly prime, because it can be changed into another prime (12393134297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6196567145 + 6196567146.

It is an arithmetic number, because the mean of its divisors is an integer number (6196567146).

Almost surely, 2^12393134291 is an apocalyptic number.

12393134291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12393134291 is an equidigital number, since it uses as much as digits as its factorization.

12393134291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 38.

The spelling of 12393134291 in words is "twelve billion, three hundred ninety-three million, one hundred thirty-four thousand, two hundred ninety-one".