112220212000000 has 252 divisors, whose sum is σ = 301537519723468. Its totient is φ = 41435136000000.

The previous prime is 112220211999997. The next prime is 112220212000031. The reversal of 112220212000000 is 212022211.

It is a happy number.

It can be written as a sum of positive squares in 14 ways, for example, as 48470335140096 + 63749876859904 = 6962064^2 + 7984352^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 50920960 + ... + 53079040.

Almost surely, 2^{112220212000000} is an apocalyptic number.

112220212000000 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 112220212000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150768759861734).

112220212000000 is an abundant number, since it is smaller than the sum of its proper divisors (189317307723468).

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

112220212000000 is an frugal number, since it uses more digits than its factorization.

112220212000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158140 (or 2158101 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 112220212000000 its reverse (212022211), we get a palindrome (112220424022211).

The spelling of 112220212000000 in words is "one hundred twelve trillion, two hundred twenty billion, two hundred twelve million", and thus it is an aban number.