12231324402091 has 2 divisors, whose sum is σ = 12231324402092. Its totient is φ = 12231324402090.

The previous prime is 12231324401983. The next prime is 12231324402109. The reversal of 12231324402091 is 19020442313221.

Together with next prime (12231324402109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12231324402091 - 2¹⁵ = 12231324369323 is a prime.

It is not a weakly prime, because it can be changed into another prime (12231324402191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115662201045 + 6115662201046.

It is an arithmetic number, because the mean of its divisors is an integer number (6115662201046).

Almost surely, 2^{12231324402091} is an apocalyptic number.

12231324402091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231324402091 is an equidigital number, since it uses as much as digits as its factorization.

12231324402091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 12231324402091 in words is "twelve trillion, two hundred thirty-one billion, three hundred twenty-four million, four hundred two thousand, ninety-one".