33212300212 has 48 divisors (see below), whose sum is σ = 71709406720. Its totient is φ = 13106748672.

The previous prime is 33212300021. The next prime is 33212300263. The reversal of 33212300212 is 21200321233.

It is a super-2 number, since 2×33212300212² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33212300212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37333 + ... + 260419.

Almost surely, 2^33212300212 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 33212300212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35854703360).

33212300212 is an abundant number, since it is smaller than the sum of its proper divisors (38497106508).

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

33212300212 is a wasteful number, since it uses less digits than its factorization.

33212300212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223520 (or 223518 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 33212300212 its reverse (21200321233), we get a palindrome (54412621445).

The spelling of 33212300212 in words is "thirty-three billion, two hundred twelve million, three hundred thousand, two hundred twelve".