212323332 has 24 divisors (see below), whose sum is σ = 533530816. Its totient is φ = 65330208.

The previous prime is 212323291. The next prime is 212323333. The reversal of 212323332 is 233323212.

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

It is a junction number, because it is equal to n+sod(n) for n = 212323299 and 212323308.

It is not an unprimeable number, because it can be changed into a prime (212323333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680368 + ... + 680679.

Almost surely, 2^212323332 is an apocalyptic number.

It is an amenable number.

212323332 is an abundant number, since it is smaller than the sum of its proper divisors (321207484).

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

212323332 is a wasteful number, since it uses less digits than its factorization.

212323332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361067 (or 1361065 counting only the distinct ones).

The product of its digits is 1296, while the sum is 21.

The square root of 212323332 is about 14571.3188147127. The cubic root of 212323332 is about 596.5761773380.

Adding to 212323332 its reverse (233323212), we get a palindrome (445646544).

The spelling of 212323332 in words is "two hundred twelve million, three hundred twenty-three thousand, three hundred thirty-two".