33043212 has 72 divisors (see below), whose sum is σ = 87202752. Its totient is φ = 10540800.

The previous prime is 33043211. The next prime is 33043229. The reversal of 33043212 is 21234033.

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

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (33043211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89853 + ... + 90219.

Almost surely, 2^33043212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33043212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43601376).

33043212 is an abundant number, since it is smaller than the sum of its proper divisors (54159540).

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

33043212 is a wasteful number, since it uses less digits than its factorization.

33043212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 33043212 is about 5748.3225379236. The cubic root of 33043212 is about 320.8933759480.

Adding to 33043212 its reverse (21234033), we get a palindrome (54277245).

The spelling of 33043212 in words is "thirty-three million, forty-three thousand, two hundred twelve".