12112020110189 has 2 divisors, whose sum is σ = 12112020110190. Its totient is φ = 12112020110188.

The previous prime is 12112020110171. The next prime is 12112020110219. The reversal of 12112020110189 is 98101102021121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12106189566025 + 5830544164 = 3479395^2 + 76358^2 .

It is a cyclic number.

It is not a de Polignac number, because 12112020110189 - 2²⁰ = 12112019061613 is a prime.

It is a super-2 number, since 2×12112020110189² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12112020110129) 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, 6056010055094 + 6056010055095.

It is an arithmetic number, because the mean of its divisors is an integer number (6056010055095).

Almost surely, 2^{12112020110189} is an apocalyptic number.

It is an amenable number.

12112020110189 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112020110189 is an equidigital number, since it uses as much as digits as its factorization.

12112020110189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 29.

The spelling of 12112020110189 in words is "twelve trillion, one hundred twelve billion, twenty million, one hundred ten thousand, one hundred eighty-nine".