2112120430139 has 2 divisors, whose sum is σ = 2112120430140. Its totient is φ = 2112120430138.

The previous prime is 2112120430129. The next prime is 2112120430141. The reversal of 2112120430139 is 9310340212112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2112120430139 - 2³⁶ = 2043400953403 is a prime.

It is a super-2 number, since 2×2112120430139² (a number of 25 digits) contains 22 as substring.

Together with 2112120430141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2112120430109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056060215069 + 1056060215070.

It is an arithmetic number, because the mean of its divisors is an integer number (1056060215070).

Almost surely, 2^{2112120430139} is an apocalyptic number.

2112120430139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112120430139 is an equidigital number, since it uses as much as digits as its factorization.

2112120430139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 2112120430139 in words is "two trillion, one hundred twelve billion, one hundred twenty million, four hundred thirty thousand, one hundred thirty-nine".