12112012051 has 2 divisors, whose sum is σ = 12112012052. Its totient is φ = 12112012050.

The previous prime is 12112012043. The next prime is 12112012063. The reversal of 12112012051 is 15021021121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12112012051 - 2³ = 12112012043 is a prime.

It is not a weakly prime, because it can be changed into another prime (12112012751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056006025 + 6056006026.

It is an arithmetic number, because the mean of its divisors is an integer number (6056006026).

Almost surely, 2^12112012051 is an apocalyptic number.

12112012051 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112012051 is an equidigital number, since it uses as much as digits as its factorization.

12112012051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 12112012051 its reverse (15021021121), we get a palindrome (27133033172).

The spelling of 12112012051 in words is "twelve billion, one hundred twelve million, twelve thousand, fifty-one".