12373648129 has 2 divisors, whose sum is σ = 12373648130. Its totient is φ = 12373648128.

The previous prime is 12373648093. The next prime is 12373648159. The reversal of 12373648129 is 92184637321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10663660225 + 1709987904 = 103265^2 + 41352^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12373648129 is a prime.

It is not a weakly prime, because it can be changed into another prime (12373648159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6186824064 + 6186824065.

It is an arithmetic number, because the mean of its divisors is an integer number (6186824065).

Almost surely, 2^12373648129 is an apocalyptic number.

It is an amenable number.

12373648129 is a deficient number, since it is larger than the sum of its proper divisors (1).

12373648129 is an equidigital number, since it uses as much as digits as its factorization.

12373648129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 46.

The spelling of 12373648129 in words is "twelve billion, three hundred seventy-three million, six hundred forty-eight thousand, one hundred twenty-nine".