12112022121187 has 2 divisors, whose sum is σ = 12112022121188. Its totient is φ = 12112022121186.

The previous prime is 12112022121149. The next prime is 12112022121239. The reversal of 12112022121187 is 78112122021121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12112022121187 is a prime.

It is not a weakly prime, because it can be changed into another prime (12112025121187) 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, 6056011060593 + 6056011060594.

It is an arithmetic number, because the mean of its divisors is an integer number (6056011060594).

Almost surely, 2^{12112022121187} is an apocalyptic number.

12112022121187 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112022121187 is an equidigital number, since it uses as much as digits as its factorization.

12112022121187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 31.

The spelling of 12112022121187 in words is "twelve trillion, one hundred twelve billion, twenty-two million, one hundred twenty-one thousand, one hundred eighty-seven".