112120012189 has 2 divisors, whose sum is σ = 112120012190. Its totient is φ = 112120012188.

The previous prime is 112120012183. The next prime is 112120012241. The reversal of 112120012189 is 981210021211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111784572964 + 335439225 = 334342^2 + 18315^2 .

It is a cyclic number.

It is not a de Polignac number, because 112120012189 - 2³ = 112120012181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112120012181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56060006094 + 56060006095.

It is an arithmetic number, because the mean of its divisors is an integer number (56060006095).

Almost surely, 2^112120012189 is an apocalyptic number.

It is an amenable number.

112120012189 is a deficient number, since it is larger than the sum of its proper divisors (1).

112120012189 is an equidigital number, since it uses as much as digits as its factorization.

112120012189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 112120012189 in words is "one hundred twelve billion, one hundred twenty million, twelve thousand, one hundred eighty-nine".