112120020144 has 120 divisors (see below), whose sum is σ = 343422311232. Its totient is φ = 33864946560.

The previous prime is 112120020143. The next prime is 112120020149. The reversal of 112120020144 is 441020021211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (112120020143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371007 + ... + 601569.

Almost surely, 2^112120020144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112120020144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171711155616).

112120020144 is an abundant number, since it is smaller than the sum of its proper divisors (231302291088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112120020144 is a wasteful number, since it uses less digits than its factorization.

112120020144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230895 (or 230886 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 112120020144 its reverse (441020021211), we get a palindrome (553140041355).

The spelling of 112120020144 in words is "one hundred twelve billion, one hundred twenty million, twenty thousand, one hundred forty-four".