112120220212 has 96 divisors (see below), whose sum is σ = 263893158144. Its totient is φ = 40254105600.

The previous prime is 112120220203. The next prime is 112120220213. The reversal of 112120220212 is 212022021211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120220213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2350762 + ... + 2397982.

It is an arithmetic number, because the mean of its divisors is an integer number (2748887064).

Almost surely, 2^112120220212 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 112120220212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131946579072).

112120220212 is an abundant number, since it is smaller than the sum of its proper divisors (151772937932).

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

112120220212 is a wasteful number, since it uses less digits than its factorization.

112120220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47849 (or 47847 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 112120220212 its reverse (212022021211), we get a palindrome (324142241423).

It can be divided in two parts, 11 and 2120220212, that multiplied together give a palindrome (23322422332).

The spelling of 112120220212 in words is "one hundred twelve billion, one hundred twenty million, two hundred twenty thousand, two hundred twelve".