33303321012 has 96 divisors (see below), whose sum is σ = 85201200000. Its totient is φ = 10061955072.

The previous prime is 33303320957. The next prime is 33303321013. The reversal of 33303321012 is 21012330333.

It is a super-2 number, since 2×33303321012² (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 33303321012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33303321013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11494348 + ... + 11497244.

It is an arithmetic number, because the mean of its divisors is an integer number (887512500).

Almost surely, 2^33303321012 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 33303321012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42600600000).

33303321012 is an abundant number, since it is smaller than the sum of its proper divisors (51897878988).

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

33303321012 is a wasteful number, since it uses less digits than its factorization.

33303321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4225 (or 4223 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 33303321012 its reverse (21012330333), we get a palindrome (54315651345).

The spelling of 33303321012 in words is "thirty-three billion, three hundred three million, three hundred twenty-one thousand, twelve".