13120020430037 has 2 divisors, whose sum is σ = 13120020430038. Its totient is φ = 13120020430036.

The previous prime is 13120020430021. The next prime is 13120020430039. The reversal of 13120020430037 is 73003402002131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8784667643236 + 4335352786801 = 2963894^2 + 2082151^2 .

It is an emirp because it is prime and its reverse (73003402002131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13120020430037 - 2⁴ = 13120020430021 is a prime.

Together with 13120020430039, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13120020429988 and 13120020430015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13120020430039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6560010215018 + 6560010215019.

It is an arithmetic number, because the mean of its divisors is an integer number (6560010215019).

Almost surely, 2^{13120020430037} is an apocalyptic number.

It is an amenable number.

13120020430037 is a deficient number, since it is larger than the sum of its proper divisors (1).

13120020430037 is an equidigital number, since it uses as much as digits as its factorization.

13120020430037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 13120020430037 its reverse (73003402002131), we get a palindrome (86123422432168).

The spelling of 13120020430037 in words is "thirteen trillion, one hundred twenty billion, twenty million, four hundred thirty thousand, thirty-seven".