12331202291 has 2 divisors, whose sum is σ = 12331202292. Its totient is φ = 12331202290.

The previous prime is 12331202249. The next prime is 12331202357. The reversal of 12331202291 is 19220213321.

It is a weak prime.

It is an emirp because it is prime and its reverse (19220213321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12331202291 - 2¹⁸ = 12330940147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12331202291.

It is not a weakly prime, because it can be changed into another prime (12331201291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165601145 + 6165601146.

It is an arithmetic number, because the mean of its divisors is an integer number (6165601146).

Almost surely, 2^12331202291 is an apocalyptic number.

12331202291 is a deficient number, since it is larger than the sum of its proper divisors (1).

12331202291 is an equidigital number, since it uses as much as digits as its factorization.

12331202291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 12331202291 in words is "twelve billion, three hundred thirty-one million, two hundred two thousand, two hundred ninety-one".