12231033131987 has 2 divisors, whose sum is σ = 12231033131988. Its totient is φ = 12231033131986.

The previous prime is 12231033131981. The next prime is 12231033132007. The reversal of 12231033131987 is 78913133013221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12231033131987 - 2¹⁶ = 12231033066451 is a prime.

It is not a weakly prime, because it can be changed into another prime (12231033131981) 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, 6115516565993 + 6115516565994.

It is an arithmetic number, because the mean of its divisors is an integer number (6115516565994).

Almost surely, 2^{12231033131987} is an apocalyptic number.

12231033131987 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231033131987 is an equidigital number, since it uses as much as digits as its factorization.

12231033131987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 12231033131987 in words is "twelve trillion, two hundred thirty-one billion, thirty-three million, one hundred thirty-one thousand, nine hundred eighty-seven".