120320233021129 has 2 divisors, whose sum is σ = 120320233021130. Its totient is φ = 120320233021128.

The previous prime is 120320233021091. The next prime is 120320233021147. The reversal of 120320233021129 is 921120332023021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89892300134025 + 30427932887104 = 9481155^2 + 5516152^2 .

It is a cyclic number.

It is not a de Polignac number, because 120320233021129 - 2²⁵ = 120320199466697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120320233021129.

It is not a weakly prime, because it can be changed into another prime (120320233021189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60160116510564 + 60160116510565.

It is an arithmetic number, because the mean of its divisors is an integer number (60160116510565).

Almost surely, 2^{120320233021129} is an apocalyptic number.

It is an amenable number.

120320233021129 is a deficient number, since it is larger than the sum of its proper divisors (1).

120320233021129 is an equidigital number, since it uses as much as digits as its factorization.

120320233021129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 120320233021129 in words is "one hundred twenty trillion, three hundred twenty billion, two hundred thirty-three million, twenty-one thousand, one hundred twenty-nine".