12112031 has 2 divisors, whose sum is σ = 12112032. Its totient is φ = 12112030.

The previous prime is 12112027. The next prime is 12112049. The reversal of 12112031 is 13021121.

12112031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12112031 - 2² = 12112027 is a prime.

It is a super-2 number, since 2×12112031² = 293402589889922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12112231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056015 + 6056016.

It is an arithmetic number, because the mean of its divisors is an integer number (6056016).

Almost surely, 2^12112031 is an apocalyptic number.

12112031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112031 is an equidigital number, since it uses as much as digits as its factorization.

12112031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 12112031 is about 3480.2343311909. The cubic root of 12112031 is about 229.6531065567.

Adding to 12112031 its reverse (13021121), we get a palindrome (25133152).

The spelling of 12112031 in words is "twelve million, one hundred twelve thousand, thirty-one".