12232520591 has 2 divisors, whose sum is σ = 12232520592. Its totient is φ = 12232520590.

The previous prime is 12232520567. The next prime is 12232520611. The reversal of 12232520591 is 19502523221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12232520591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12232520501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6116260295 + 6116260296.

It is an arithmetic number, because the mean of its divisors is an integer number (6116260296).

Almost surely, 2^12232520591 is an apocalyptic number.

12232520591 is a deficient number, since it is larger than the sum of its proper divisors (1).

12232520591 is an equidigital number, since it uses as much as digits as its factorization.

12232520591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 12232520591 in words is "twelve billion, two hundred thirty-two million, five hundred twenty thousand, five hundred ninety-one".