112120012220 has 48 divisors (see below), whose sum is σ = 246393403200. Its totient is φ = 42775113216.

The previous prime is 112120012189. The next prime is 112120012241. The reversal of 112120012220 is 22210021211.

It is a junction number, because it is equal to n+sod(n) for n = 112120012195 and 112120012204.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 188657 + ... + 509736.

It is an arithmetic number, because the mean of its divisors is an integer number (5133195900).

Almost surely, 2^112120012220 is an apocalyptic number.

112120012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112120012220 is an abundant number, since it is smaller than the sum of its proper divisors (134273390980).

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

112120012220 is a wasteful number, since it uses less digits than its factorization.

112120012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698774 (or 698772 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112120012220 its reverse (22210021211), we get a palindrome (134330033431).

The spelling of 112120012220 in words is "one hundred twelve billion, one hundred twenty million, twelve thousand, two hundred twenty".