13122420051337 has 2 divisors, whose sum is σ = 13122420051338. Its totient is φ = 13122420051336.

The previous prime is 13122420051317. The next prime is 13122420051353. The reversal of 13122420051337 is 73315002422131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9711070155081 + 3411349896256 = 3116259^2 + 1846984^2 .

It is a cyclic number.

It is not a de Polignac number, because 13122420051337 - 2²⁷ = 13122285833609 is a prime.

It is not a weakly prime, because it can be changed into another prime (13122420051317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561210025668 + 6561210025669.

It is an arithmetic number, because the mean of its divisors is an integer number (6561210025669).

Almost surely, 2^{13122420051337} is an apocalyptic number.

It is an amenable number.

13122420051337 is a deficient number, since it is larger than the sum of its proper divisors (1).

13122420051337 is an equidigital number, since it uses as much as digits as its factorization.

13122420051337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

Adding to 13122420051337 its reverse (73315002422131), we get a palindrome (86437422473468).

The spelling of 13122420051337 in words is "thirteen trillion, one hundred twenty-two billion, four hundred twenty million, fifty-one thousand, three hundred thirty-seven".