233212 has 12 divisors (see below), whose sum is σ = 466480. Its totient is φ = 99936.

The previous prime is 233201. The next prime is 233221. The reversal of 233212 is 212332.

It is a happy number.

233212 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 233192 and 233201.

It is a congruent number.

It is an unprimeable number.

233212 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4137 + ... + 4192.

2²³³²¹² is an apocalyptic number.

It is an amenable number.

233212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

233212 is a wasteful number, since it uses less digits than its factorization.

233212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8340 (or 8338 counting only the distinct ones).

The product of its digits is 72, while the sum is 13.

The square root of 233212 is about 482.9202832767. The cubic root of 233212 is about 61.5531521017.

Adding to 233212 its reverse (212332), we get a palindrome (445544).

The spelling of 233212 in words is "two hundred thirty-three thousand, two hundred twelve".