12002120112091 has 2 divisors, whose sum is σ = 12002120112092. Its totient is φ = 12002120112090.

The previous prime is 12002120112079. The next prime is 12002120112149. The reversal of 12002120112091 is 19021102120021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12002120112091 - 2⁷ = 12002120111963 is a prime.

It is not a weakly prime, because it can be changed into another prime (12002120112791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001060056045 + 6001060056046.

It is an arithmetic number, because the mean of its divisors is an integer number (6001060056046).

Almost surely, 2^{12002120112091} is an apocalyptic number.

12002120112091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002120112091 is an equidigital number, since it uses as much as digits as its factorization.

12002120112091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 12002120112091 in words is "twelve trillion, two billion, one hundred twenty million, one hundred twelve thousand, ninety-one".