112212111212012 has 24 divisors (see below), whose sum is σ = 237625647273504. Its totient is φ = 45262028051712.

The previous prime is 112212111212011. The next prime is 112212111212017. The reversal of 112212111212012 is 210212111212211.

It is a happy number.

112212111212012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×112212111212012² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112212111212011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117869864243 + ... + 117869865194.

It is an arithmetic number, because the mean of its divisors is an integer number (9901068636396).

Almost surely, 2^{112212111212012} is an apocalyptic number.

It is an amenable number.

112212111212012 is an abundant number, since it is smaller than the sum of its proper divisors (125413536061492).

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

112212111212012 is a wasteful number, since it uses less digits than its factorization.

112212111212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235739729465 (or 235739729463 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 112212111212012 its reverse (210212111212211), we get a palindrome (322424222424223).

The spelling of 112212111212012 in words is "one hundred twelve trillion, two hundred twelve billion, one hundred eleven million, two hundred twelve thousand, twelve".