112112120123 has 4 divisors (see below), whose sum is σ = 112293825960. Its totient is φ = 111930414288.

The previous prime is 112112120089. The next prime is 112112120167. The reversal of 112112120123 is 321021211211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321021211211 = 160907 ⋅1995073.

It is a cyclic number.

It is not a de Polignac number, because 112112120123 - 2²⁶ = 112045011259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112112128123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90851993 + ... + 90853226.

It is an arithmetic number, because the mean of its divisors is an integer number (28073456490).

Almost surely, 2^112112120123 is an apocalyptic number.

112112120123 is a deficient number, since it is larger than the sum of its proper divisors (181705837).

112112120123 is an equidigital number, since it uses as much as digits as its factorization.

112112120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181705836.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 112112120123 its reverse (321021211211), we get a palindrome (433133331334).

The spelling of 112112120123 in words is "one hundred twelve billion, one hundred twelve million, one hundred twenty thousand, one hundred twenty-three".