212330332 has 12 divisors (see below), whose sum is σ = 371703640. Its totient is φ = 106129296.

The previous prime is 212330317. The next prime is 212330353. The reversal of 212330332 is 233033212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7858 + ... + 22054.

Almost surely, 2^212330332 is an apocalyptic number.

It is an amenable number.

212330332 is a deficient number, since it is larger than the sum of its proper divisors (159373308).

212330332 is a wasteful number, since it uses less digits than its factorization.

212330332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17940 (or 17938 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 212330332 is about 14571.5590106207. The cubic root of 212330332 is about 596.5827333569.

Adding to 212330332 its reverse (233033212), we get a palindrome (445363544).

The spelling of 212330332 in words is "two hundred twelve million, three hundred thirty thousand, three hundred thirty-two".