12231342191 has 2 divisors, whose sum is σ = 12231342192. Its totient is φ = 12231342190.

The previous prime is 12231342143. The next prime is 12231342239. The reversal of 12231342191 is 19124313221.

It is a balanced prime because it is at equal distance from previous prime (12231342143) and next prime (12231342239).

It is a cyclic number.

It is not a de Polignac number, because 12231342191 - 2²⁶ = 12164233327 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12231342091) 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, 6115671095 + 6115671096.

It is an arithmetic number, because the mean of its divisors is an integer number (6115671096).

Almost surely, 2^12231342191 is an apocalyptic number.

12231342191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231342191 is an equidigital number, since it uses as much as digits as its factorization.

12231342191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The spelling of 12231342191 in words is "twelve billion, two hundred thirty-one million, three hundred forty-two thousand, one hundred ninety-one".