12336430991 has 2 divisors, whose sum is σ = 12336430992. Its totient is φ = 12336430990.

The previous prime is 12336430973. The next prime is 12336430993. The reversal of 12336430991 is 19903463321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12336430991 - 2²² = 12332236687 is a prime.

Together with 12336430993, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12336430993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6168215495 + 6168215496.

It is an arithmetic number, because the mean of its divisors is an integer number (6168215496).

Almost surely, 2^12336430991 is an apocalyptic number.

12336430991 is a deficient number, since it is larger than the sum of its proper divisors (1).

12336430991 is an equidigital number, since it uses as much as digits as its factorization.

12336430991 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 12336430991 in words is "twelve billion, three hundred thirty-six million, four hundred thirty thousand, nine hundred ninety-one".