12112103057 has 2 divisors, whose sum is σ = 12112103058. Its totient is φ = 12112103056.

The previous prime is 12112103051. The next prime is 12112103149. The reversal of 12112103057 is 75030121121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10389521041 + 1722582016 = 101929^2 + 41504^2 .

It is an emirp because it is prime and its reverse (75030121121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12112103057 - 2¹² = 12112098961 is a prime.

It is not a weakly prime, because it can be changed into another prime (12112103051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056051528 + 6056051529.

It is an arithmetic number, because the mean of its divisors is an integer number (6056051529).

Almost surely, 2^12112103057 is an apocalyptic number.

It is an amenable number.

12112103057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112103057 is an equidigital number, since it uses as much as digits as its factorization.

12112103057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 23.

Adding to 12112103057 its reverse (75030121121), we get a palindrome (87142224178).

The spelling of 12112103057 in words is "twelve billion, one hundred twelve million, one hundred three thousand, fifty-seven".