33013343221212 has 48 divisors (see below), whose sum is σ = 77196002083200. Its totient is φ = 10980910153920.

The previous prime is 33013343221193. The next prime is 33013343221283. The reversal of 33013343221212 is 21212234331033.

It is a self number, because there is not a number n which added to its sum of digits gives 33013343221212.

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, 16737214 + ... + 18605402.

It is an arithmetic number, because the mean of its divisors is an integer number (1608250043400).

Almost surely, 2^{33013343221212} is an apocalyptic number.

It is an amenable number.

33013343221212 is an abundant number, since it is smaller than the sum of its proper divisors (44182658861988).

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

33013343221212 is a wasteful number, since it uses less digits than its factorization.

33013343221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871346 (or 1871344 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 33013343221212 its reverse (21212234331033), we get a palindrome (54225577552245).

The spelling of 33013343221212 in words is "thirty-three trillion, thirteen billion, three hundred forty-three million, two hundred twenty-one thousand, two hundred twelve".