212233133112 has 128 divisors (see below), whose sum is σ = 712391016960. Its totient is φ = 50885061120.

The previous prime is 212233133107. The next prime is 212233133117. The reversal of 212233133112 is 211331332212.

It is an interprime number because it is at equal distance from previous prime (212233133107) and next prime (212233133117).

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 not an unprimeable number, because it can be changed into a prime (212233133117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4393083 + ... + 4441130.

It is an arithmetic number, because the mean of its divisors is an integer number (5565554820).

Almost surely, 2^212233133112 is an apocalyptic number.

212233133112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212233133112 is an abundant number, since it is smaller than the sum of its proper divisors (500157883848).

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

212233133112 is a wasteful number, since it uses less digits than its factorization.

212233133112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8834253 (or 8834249 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

Adding to 212233133112 its reverse (211331332212), we get a palindrome (423564465324).

Subtracting from 212233133112 its reverse (211331332212), we obtain a square (901800900 = 30030²).

The spelling of 212233133112 in words is "two hundred twelve billion, two hundred thirty-three million, one hundred thirty-three thousand, one hundred twelve".