13120143221429 has 2 divisors, whose sum is σ = 13120143221430. Its totient is φ = 13120143221428.

The previous prime is 13120143221327. The next prime is 13120143221431. The reversal of 13120143221429 is 92412234102131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9799548158929 + 3320595062500 = 3130423^2 + 1822250^2 .

It is a cyclic number.

It is not a de Polignac number, because 13120143221429 - 2²⁰ = 13120142172853 is a prime.

Together with 13120143221431, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13120143224429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6560071610714 + 6560071610715.

It is an arithmetic number, because the mean of its divisors is an integer number (6560071610715).

Almost surely, 2^{13120143221429} is an apocalyptic number.

It is an amenable number.

13120143221429 is a deficient number, since it is larger than the sum of its proper divisors (1).

13120143221429 is an equidigital number, since it uses as much as digits as its factorization.

13120143221429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 13120143221429 in words is "thirteen trillion, one hundred twenty billion, one hundred forty-three million, two hundred twenty-one thousand, four hundred twenty-nine".