12031020002191 has 2 divisors, whose sum is σ = 12031020002192. Its totient is φ = 12031020002190.

The previous prime is 12031020002119. The next prime is 12031020002257. The reversal of 12031020002191 is 19120002013021.

Together with previous prime (12031020002119) 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 12031020002191 - 2⁷ = 12031020002063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12031020002891) 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, 6015510001095 + 6015510001096.

It is an arithmetic number, because the mean of its divisors is an integer number (6015510001096).

Almost surely, 2^{12031020002191} is an apocalyptic number.

12031020002191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031020002191 is an equidigital number, since it uses as much as digits as its factorization.

12031020002191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 12031020002191 in words is "twelve trillion, thirty-one billion, twenty million, two thousand, one hundred ninety-one".