12112231412111 has 2 divisors, whose sum is σ = 12112231412112. Its totient is φ = 12112231412110.

The previous prime is 12112231411999. The next prime is 12112231412119. The reversal of 12112231412111 is 11121413221121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12112231412111 - 2¹⁰ = 12112231411087 is a prime.

It is a super-2 number, since 2×12112231412111² (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 (12112231412119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056115706055 + 6056115706056.

It is an arithmetic number, because the mean of its divisors is an integer number (6056115706056).

Almost surely, 2^{12112231412111} is an apocalyptic number.

12112231412111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112231412111 is an equidigital number, since it uses as much as digits as its factorization.

12112231412111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 23.

Adding to 12112231412111 its reverse (11121413221121), we get a palindrome (23233644633232).

The spelling of 12112231412111 in words is "twelve trillion, one hundred twelve billion, two hundred thirty-one million, four hundred twelve thousand, one hundred eleven".