212112200112 has 20 divisors (see below), whose sum is σ = 547956517080. Its totient is φ = 70704066688.

The previous prime is 212112200039. The next prime is 212112200119. The reversal of 212112200112 is 211002211212.

212112200112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212112200091 and 212112200100.

It is not an unprimeable number, because it can be changed into a prime (212112200119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2209502037 + ... + 2209502132.

It is an arithmetic number, because the mean of its divisors is an integer number (27397825854).

Almost surely, 2^212112200112 is an apocalyptic number.

It is an amenable number.

212112200112 is an abundant number, since it is smaller than the sum of its proper divisors (335844316968).

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

212112200112 is a wasteful number, since it uses less digits than its factorization.

212112200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419004180 (or 4419004174 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212112200112 its reverse (211002211212), we get a palindrome (423114411324).

The spelling of 212112200112 in words is "two hundred twelve billion, one hundred twelve million, two hundred thousand, one hundred twelve".