2120312179 has 2 divisors, whose sum is σ = 2120312180. Its totient is φ = 2120312178.

The previous prime is 2120312153. The next prime is 2120312303. The reversal of 2120312179 is 9712130212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120312179 - 2⁹ = 2120311667 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120315179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060156089 + 1060156090.

It is an arithmetic number, because the mean of its divisors is an integer number (1060156090).

Almost surely, 2^2120312179 is an apocalyptic number.

2120312179 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120312179 is an equidigital number, since it uses as much as digits as its factorization.

2120312179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 2120312179 is about 46046.8476554042. The cubic root of 2120312179 is about 1284.6947104394.

The spelling of 2120312179 in words is "two billion, one hundred twenty million, three hundred twelve thousand, one hundred seventy-nine".