112120031129 has 4 divisors (see below), whose sum is σ = 112124557584. Its totient is φ = 112115504676.

The previous prime is 112120031081. The next prime is 112120031137. The reversal of 112120031129 is 921130021211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112120031129 - 2³² = 107825063833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112129031129) 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 in 3 ways as a sum of consecutive naturals, for example, 2225867 + ... + 2275680.

It is an arithmetic number, because the mean of its divisors is an integer number (28031139396).

Almost surely, 2^112120031129 is an apocalyptic number.

It is an amenable number.

112120031129 is a deficient number, since it is larger than the sum of its proper divisors (4526455).

112120031129 is an equidigital number, since it uses as much as digits as its factorization.

112120031129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4526454.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 112120031129 in words is "one hundred twelve billion, one hundred twenty million, thirty-one thousand, one hundred twenty-nine".