12112122103 has 2 divisors, whose sum is σ = 12112122104. Its totient is φ = 12112122102.

The previous prime is 12112122089. The next prime is 12112122131. The reversal of 12112122103 is 30122121121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12112122103 - 2²¹ = 12110024951 is a prime.

It is a super-2 number, since 2×12112122103² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12112122203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056061051 + 6056061052.

It is an arithmetic number, because the mean of its divisors is an integer number (6056061052).

Almost surely, 2^12112122103 is an apocalyptic number.

12112122103 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112122103 is an equidigital number, since it uses as much as digits as its factorization.

12112122103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12112122103 its reverse (30122121121), we get a palindrome (42234243224).

The spelling of 12112122103 in words is "twelve billion, one hundred twelve million, one hundred twenty-two thousand, one hundred three".