112122101112012 has 48 divisors (see below), whose sum is σ = 293353781397600. Its totient is φ = 37031152656960.

The previous prime is 112122101111989. The next prime is 112122101112013. The reversal of 112122101112012 is 210211101221211.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (112122101112013) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4762224939 + ... + 4762248482.

It is an arithmetic number, because the mean of its divisors is an integer number (6111537112450).

Almost surely, 2^{112122101112012} is an apocalyptic number.

112122101112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112122101112012 is an abundant number, since it is smaller than the sum of its proper divisors (181231680285588).

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

112122101112012 is a wasteful number, since it uses less digits than its factorization.

112122101112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9524473543 (or 9524473535 counting only the distinct ones).

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

Adding to 112122101112012 its reverse (210211101221211), we get a palindrome (322333202333223).

The spelling of 112122101112012 in words is "one hundred twelve trillion, one hundred twenty-two billion, one hundred one million, one hundred twelve thousand, twelve".