12132102201991 has 2 divisors, whose sum is σ = 12132102201992. Its totient is φ = 12132102201990.

The previous prime is 12132102201931. The next prime is 12132102202007. The reversal of 12132102201991 is 19910220123121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12132102201991 - 2³⁵ = 12097742463623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12132102201931) 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, 6066051100995 + 6066051100996.

It is an arithmetic number, because the mean of its divisors is an integer number (6066051100996).

Almost surely, 2^{12132102201991} is an apocalyptic number.

12132102201991 is a deficient number, since it is larger than the sum of its proper divisors (1).

12132102201991 is an equidigital number, since it uses as much as digits as its factorization.

12132102201991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 12132102201991 in words is "twelve trillion, one hundred thirty-two billion, one hundred two million, two hundred one thousand, nine hundred ninety-one".