33300021012 has 24 divisors (see below), whose sum is σ = 77713942656. Its totient is φ = 11098022208.

The previous prime is 33300020989. The next prime is 33300021043. The reversal of 33300021012 is 21012000333.

It is a super-2 number, since 2×33300021012² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33300020982 and 33300021000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177388 + ... + 313155.

It is an arithmetic number, because the mean of its divisors is an integer number (3238080944).

Almost surely, 2^33300021012 is an apocalyptic number.

It is an amenable number.

33300021012 is an abundant number, since it is smaller than the sum of its proper divisors (44413921644).

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

33300021012 is a wasteful number, since it uses less digits than its factorization.

33300021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496207 (or 496205 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 33300021012 its reverse (21012000333), we get a palindrome (54312021345).

The spelling of 33300021012 in words is "thirty-three billion, three hundred million, twenty-one thousand, twelve".