12297522791 has 2 divisors, whose sum is σ = 12297522792. Its totient is φ = 12297522790.

The previous prime is 12297522707. The next prime is 12297522827. The reversal of 12297522791 is 19722579221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12297522791 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12297522191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6148761395 + 6148761396.

It is an arithmetic number, because the mean of its divisors is an integer number (6148761396).

Almost surely, 2^12297522791 is an apocalyptic number.

12297522791 is a deficient number, since it is larger than the sum of its proper divisors (1).

12297522791 is an equidigital number, since it uses as much as digits as its factorization.

12297522791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 47.

The spelling of 12297522791 in words is "twelve billion, two hundred ninety-seven million, five hundred twenty-two thousand, seven hundred ninety-one".