212333222112 has 96 divisors (see below), whose sum is σ = 643812551424. Its totient is φ = 60558489600.

The previous prime is 212333222099. The next prime is 212333222131. The reversal of 212333222112 is 211222333212.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5895964 + ... + 5931867.

It is an arithmetic number, because the mean of its divisors is an integer number (6706380744).

Almost surely, 2^212333222112 is an apocalyptic number.

212333222112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212333222112 is an abundant number, since it is smaller than the sum of its proper divisors (431479329312).

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

212333222112 is a wasteful number, since it uses less digits than its factorization.

212333222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11827872 (or 11827864 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

Adding to 212333222112 its reverse (211222333212), we get a palindrome (423555555324).

Subtracting from 212333222112 its reverse (211222333212), we obtain a square (1110888900 = 33330²).

The spelling of 212333222112 in words is "two hundred twelve billion, three hundred thirty-three million, two hundred twenty-two thousand, one hundred twelve".