2120231131279 has 2 divisors, whose sum is σ = 2120231131280. Its totient is φ = 2120231131278.

The previous prime is 2120231131273. The next prime is 2120231131373. The reversal of 2120231131279 is 9721311320212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120231131279 - 2³⁵ = 2085871392911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120231131273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060115565639 + 1060115565640.

It is an arithmetic number, because the mean of its divisors is an integer number (1060115565640).

Almost surely, 2^{2120231131279} is an apocalyptic number.

2120231131279 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120231131279 is an equidigital number, since it uses as much as digits as its factorization.

2120231131279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 2120231131279 in words is "two trillion, one hundred twenty billion, two hundred thirty-one million, one hundred thirty-one thousand, two hundred seventy-nine".