112102011212212 has 72 divisors (see below), whose sum is σ = 229442475382848. Its totient is φ = 47784435350400.

The previous prime is 112102011212207. The next prime is 112102011212221. The reversal of 112102011212212 is 212212110201211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 112102011212212.

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 23 ways as a sum of consecutive naturals, for example, 25844787 + ... + 29868997.

It is an arithmetic number, because the mean of its divisors is an integer number (3186701046984).

Almost surely, 2^{112102011212212} 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 112102011212212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114721237691424).

112102011212212 is an abundant number, since it is smaller than the sum of its proper divisors (117340464170636).

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

112102011212212 is a wasteful number, since it uses less digits than its factorization.

112102011212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4024997 (or 4024988 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112102011212212 its reverse (212212110201211), we get a palindrome (324314121413423).

The spelling of 112102011212212 in words is "one hundred twelve trillion, one hundred two billion, eleven million, two hundred twelve thousand, two hundred twelve".