13120142020049 has 2 divisors, whose sum is σ = 13120142020050. Its totient is φ = 13120142020048.

The previous prime is 13120142019997. The next prime is 13120142020061. The reversal of 13120142020049 is 94002024102131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7366572224449 + 5753569795600 = 2714143^2 + 2398660^2 .

It is an emirp because it is prime and its reverse (94002024102131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13120142020049 - 2²⁰ = 13120140971473 is a prime.

It is not a weakly prime, because it can be changed into another prime (13120142020079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6560071010024 + 6560071010025.

It is an arithmetic number, because the mean of its divisors is an integer number (6560071010025).

Almost surely, 2^{13120142020049} is an apocalyptic number.

It is an amenable number.

13120142020049 is a deficient number, since it is larger than the sum of its proper divisors (1).

13120142020049 is an equidigital number, since it uses as much as digits as its factorization.

13120142020049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 13120142020049 in words is "thirteen trillion, one hundred twenty billion, one hundred forty-two million, twenty thousand, forty-nine".