12112122211919 has 2 divisors, whose sum is σ = 12112122211920. Its totient is φ = 12112122211918.

The previous prime is 12112122211883. The next prime is 12112122212017. The reversal of 12112122211919 is 91911222121121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12112122211919 is a prime.

It is a super-2 number, since 2×12112122211919² (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 (12112122211219) 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, 6056061105959 + 6056061105960.

It is an arithmetic number, because the mean of its divisors is an integer number (6056061105960).

Almost surely, 2^{12112122211919} is an apocalyptic number.

12112122211919 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112122211919 is an equidigital number, since it uses as much as digits as its factorization.

12112122211919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 35.

The spelling of 12112122211919 in words is "twelve trillion, one hundred twelve billion, one hundred twenty-two million, two hundred eleven thousand, nine hundred nineteen".