112012012122220 has 96 divisors (see below), whose sum is σ = 277617791840256. Its totient is φ = 37149597561600.

The previous prime is 112012012122203. The next prime is 112012012122229. The reversal of 112012012122220 is 22221210210211.

It is not an unprimeable number, because it can be changed into a prime (112012012122229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4847454 + ... + 15732826.

It is an arithmetic number, because the mean of its divisors is an integer number (2891851998336).

Almost surely, 2^{112012012122220} is an apocalyptic number.

112012012122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112012012122220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138808895920128).

112012012122220 is an abundant number, since it is smaller than the sum of its proper divisors (165605779718036).

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

112012012122220 is a wasteful number, since it uses less digits than its factorization.

112012012122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10887791 (or 10887789 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 112012012122220 its reverse (22221210210211), we get a palindrome (134233222332431).

The spelling of 112012012122220 in words is "one hundred twelve trillion, twelve billion, twelve million, one hundred twenty-two thousand, two hundred twenty".