12231184057871 has 2 divisors, whose sum is σ = 12231184057872. Its totient is φ = 12231184057870.

The previous prime is 12231184057849. The next prime is 12231184057901. The reversal of 12231184057871 is 17875048113221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12231184057871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12231184057571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115592028935 + 6115592028936.

It is an arithmetic number, because the mean of its divisors is an integer number (6115592028936).

Almost surely, 2^{12231184057871} is an apocalyptic number.

12231184057871 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231184057871 is an equidigital number, since it uses as much as digits as its factorization.

12231184057871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 752640, while the sum is 50.

The spelling of 12231184057871 in words is "twelve trillion, two hundred thirty-one billion, one hundred eighty-four million, fifty-seven thousand, eight hundred seventy-one".