33112324212 has 72 divisors (see below), whose sum is σ = 85024550688. Its totient is φ = 10022210880.

The previous prime is 33112324171. The next prime is 33112324249. The reversal of 33112324212 is 21242321133.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1260403 + ... + 1286405.

Almost surely, 2^33112324212 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 33112324212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42512275344).

33112324212 is an abundant number, since it is smaller than the sum of its proper divisors (51912226476).

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

33112324212 is a wasteful number, since it uses less digits than its factorization.

33112324212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26909 (or 26896 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

Adding to 33112324212 its reverse (21242321133), we get a palindrome (54354645345).

The spelling of 33112324212 in words is "thirty-three billion, one hundred twelve million, three hundred twenty-four thousand, two hundred twelve".