12112011227 has 2 divisors, whose sum is σ = 12112011228. Its totient is φ = 12112011226.

The previous prime is 12112011181. The next prime is 12112011257. The reversal of 12112011227 is 72211021121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12112011227 - 2⁸ = 12112010971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12112011199 and 12112011208.

It is not a weakly prime, because it can be changed into another prime (12112011257) 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, 6056005613 + 6056005614.

It is an arithmetic number, because the mean of its divisors is an integer number (6056005614).

Almost surely, 2^12112011227 is an apocalyptic number.

12112011227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112011227 is an equidigital number, since it uses as much as digits as its factorization.

12112011227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 12112011227 its reverse (72211021121), we get a palindrome (84323032348).

The spelling of 12112011227 in words is "twelve billion, one hundred twelve million, eleven thousand, two hundred twenty-seven".