2120000122139 has 2 divisors, whose sum is σ = 2120000122140. Its totient is φ = 2120000122138.

The previous prime is 2120000121919. The next prime is 2120000122153. The reversal of 2120000122139 is 9312210000212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2120000122139 - 2²⁴ = 2119983344923 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120000122159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060000061069 + 1060000061070.

It is an arithmetic number, because the mean of its divisors is an integer number (1060000061070).

Almost surely, 2^{2120000122139} is an apocalyptic number.

2120000122139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120000122139 is an equidigital number, since it uses as much as digits as its factorization.

2120000122139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 2120000122139 in words is "two trillion, one hundred twenty billion, one hundred twenty-two thousand, one hundred thirty-nine".