13120124333209 has 2 divisors, whose sum is σ = 13120124333210. Its totient is φ = 13120124333208.

The previous prime is 13120124333159. The next prime is 13120124333219. The reversal of 13120124333209 is 90233342102131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12440942317584 + 679182015625 = 3527172^2 + 824125^2 .

It is an emirp because it is prime and its reverse (90233342102131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13120124333209 - 2¹⁷ = 13120124202137 is a prime.

It is not a weakly prime, because it can be changed into another prime (13120124333219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6560062166604 + 6560062166605.

It is an arithmetic number, because the mean of its divisors is an integer number (6560062166605).

Almost surely, 2^{13120124333209} is an apocalyptic number.

It is an amenable number.

13120124333209 is a deficient number, since it is larger than the sum of its proper divisors (1).

13120124333209 is an equidigital number, since it uses as much as digits as its factorization.

13120124333209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 13120124333209 in words is "thirteen trillion, one hundred twenty billion, one hundred twenty-four million, three hundred thirty-three thousand, two hundred nine".