212332212 has 48 divisors (see below), whose sum is σ = 551335680. Its totient is φ = 70668864.

The previous prime is 212332207. The next prime is 212332213. The reversal of 212332212 is 212233212.

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

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 (212332213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101893 + ... + 103955.

It is an arithmetic number, because the mean of its divisors is an integer number (11486160).

Almost surely, 2^212332212 is an apocalyptic number.

It is an amenable number.

212332212 is an abundant number, since it is smaller than the sum of its proper divisors (339003468).

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

212332212 is a wasteful number, since it uses less digits than its factorization.

212332212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3029 (or 3021 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 212332212 is about 14571.6235197043. The cubic root of 212332212 is about 596.5844940918.

Adding to 212332212 its reverse (212233212), we get a palindrome (424565424).

The spelling of 212332212 in words is "two hundred twelve million, three hundred thirty-two thousand, two hundred twelve".