12013332137 has 2 divisors, whose sum is σ = 12013332138. Its totient is φ = 12013332136.

The previous prime is 12013332127. The next prime is 12013332143. The reversal of 12013332137 is 73123331021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7844822041 + 4168510096 = 88571^2 + 64564^2 .

It is a cyclic number.

It is not a de Polignac number, because 12013332137 - 2²⁰ = 12012283561 is a prime.

It is not a weakly prime, because it can be changed into another prime (12013332127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006666068 + 6006666069.

It is an arithmetic number, because the mean of its divisors is an integer number (6006666069).

Almost surely, 2^12013332137 is an apocalyptic number.

It is an amenable number.

12013332137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12013332137 is an equidigital number, since it uses as much as digits as its factorization.

12013332137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 26.

Adding to 12013332137 its reverse (73123331021), we get a palindrome (85136663158).

The spelling of 12013332137 in words is "twelve billion, thirteen million, three hundred thirty-two thousand, one hundred thirty-seven".