12020102002091 has 2 divisors, whose sum is σ = 12020102002092. Its totient is φ = 12020102002090.

The previous prime is 12020102001961. The next prime is 12020102002133. The reversal of 12020102002091 is 19020020102021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12020102002091 - 2¹⁰ = 12020102001067 is a prime.

It is not a weakly prime, because it can be changed into another prime (12020102002591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010051001045 + 6010051001046.

It is an arithmetic number, because the mean of its divisors is an integer number (6010051001046).

Almost surely, 2^{12020102002091} is an apocalyptic number.

12020102002091 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020102002091 is an equidigital number, since it uses as much as digits as its factorization.

12020102002091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 12020102002091 in words is "twelve trillion, twenty billion, one hundred two million, two thousand, ninety-one".