13120210237 has 2 divisors, whose sum is σ = 13120210238. Its totient is φ = 13120210236.

The previous prime is 13120210219. The next prime is 13120210297. The reversal of 13120210237 is 73201202131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11279714436 + 1840495801 = 106206^2 + 42901^2 .

It is a cyclic number.

It is not a de Polignac number, because 13120210237 - 2²³ = 13111821629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13120210297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6560105118 + 6560105119.

It is an arithmetic number, because the mean of its divisors is an integer number (6560105119).

Almost surely, 2^13120210237 is an apocalyptic number.

It is an amenable number.

13120210237 is a deficient number, since it is larger than the sum of its proper divisors (1).

13120210237 is an equidigital number, since it uses as much as digits as its factorization.

13120210237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 13120210237 its reverse (73201202131), we get a palindrome (86321412368).

The spelling of 13120210237 in words is "thirteen billion, one hundred twenty million, two hundred ten thousand, two hundred thirty-seven".