12303012991 has 2 divisors, whose sum is σ = 12303012992. Its totient is φ = 12303012990.

The previous prime is 12303012979. The next prime is 12303013061. The reversal of 12303012991 is 19921030321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12303012991 - 2¹⁹ = 12302488703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12303010991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151506495 + 6151506496.

It is an arithmetic number, because the mean of its divisors is an integer number (6151506496).

Almost surely, 2^12303012991 is an apocalyptic number.

12303012991 is a deficient number, since it is larger than the sum of its proper divisors (1).

12303012991 is an equidigital number, since it uses as much as digits as its factorization.

12303012991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 31.

The spelling of 12303012991 in words is "twelve billion, three hundred three million, twelve thousand, nine hundred ninety-one".