12174842137 has 2 divisors, whose sum is σ = 12174842138. Its totient is φ = 12174842136.

The previous prime is 12174842117. The next prime is 12174842143. The reversal of 12174842137 is 73124847121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11969235216 + 205606921 = 109404^2 + 14339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12174842137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12174842137.

It is not a weakly prime, because it can be changed into another prime (12174842117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6087421068 + 6087421069.

It is an arithmetic number, because the mean of its divisors is an integer number (6087421069).

Almost surely, 2^12174842137 is an apocalyptic number.

It is an amenable number.

12174842137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12174842137 is an equidigital number, since it uses as much as digits as its factorization.

12174842137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 40.

The spelling of 12174842137 in words is "twelve billion, one hundred seventy-four million, eight hundred forty-two thousand, one hundred thirty-seven".