33204012 has 12 divisors (see below), whose sum is σ = 77476056. Its totient is φ = 11068000.

The previous prime is 33204011. The next prime is 33204029. The reversal of 33204012 is 21040233.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×33204012² = 2205012825792288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33203982 and 33204000.

It is not an unprimeable number, because it can be changed into a prime (33204011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1383489 + ... + 1383512.

It is an arithmetic number, because the mean of its divisors is an integer number (6456338).

Almost surely, 2^33204012 is an apocalyptic number.

It is an amenable number.

33204012 is an abundant number, since it is smaller than the sum of its proper divisors (44272044).

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

33204012 is a wasteful number, since it uses less digits than its factorization.

33204012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767008 (or 2767006 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 33204012 is about 5762.2922522205. The cubic root of 33204012 is about 321.4130608953.

Adding to 33204012 its reverse (21040233), we get a palindrome (54244245).

The spelling of 33204012 in words is "thirty-three million, two hundred four thousand, twelve".