112012121201112 has 192 divisors, whose sum is σ = 334070327410560. Its totient is φ = 33622572480000.

The previous prime is 112012121201111. The next prime is 112012121201119. The reversal of 112012121201112 is 211102121210211.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012121201111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 955260487 + ... + 955377737.

It is an arithmetic number, because the mean of its divisors is an integer number (1739949621930).

Almost surely, 2^{112012121201112} is an apocalyptic number.

112012121201112 is a gapful number since it is divisible by the number (12) 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 112012121201112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167035163705280).

112012121201112 is an abundant number, since it is smaller than the sum of its proper divisors (222058206209448).

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

112012121201112 is a wasteful number, since it uses less digits than its factorization.

112012121201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128654 (or 128647 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112012121201112 its reverse (211102121210211), we get a palindrome (323114242411323).

Subtracting 112012121201112 from its reverse (211102121210211), we obtain a palindrome (99090000009099).

The spelling of 112012121201112 in words is "one hundred twelve trillion, twelve billion, one hundred twenty-one million, two hundred one thousand, one hundred twelve".