2120120031349 has 2 divisors, whose sum is σ = 2120120031350. Its totient is φ = 2120120031348.

The previous prime is 2120120031317. The next prime is 2120120031361. The reversal of 2120120031349 is 9431300210212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2103825508849 + 16294522500 = 1450457^2 + 127650^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120120031349 - 2⁵ = 2120120031317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120120031389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060060015674 + 1060060015675.

It is an arithmetic number, because the mean of its divisors is an integer number (1060060015675).

Almost surely, 2^{2120120031349} is an apocalyptic number.

It is an amenable number.

2120120031349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120120031349 is an equidigital number, since it uses as much as digits as its factorization.

2120120031349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 2120120031349 in words is "two trillion, one hundred twenty billion, one hundred twenty million, thirty-one thousand, three hundred forty-nine".