33330012 has 12 divisors (see below), whose sum is σ = 77770056. Its totient is φ = 11110000.

The previous prime is 33329999. The next prime is 33330023. The reversal of 33330012 is 21003333.

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

It is a super-2 number, since 2×33330012² = 2221779399840288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33329973 and 33330000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388739 + ... + 1388762.

It is an arithmetic number, because the mean of its divisors is an integer number (6480838).

Almost surely, 2^33330012 is an apocalyptic number.

It is an amenable number.

33330012 is an abundant number, since it is smaller than the sum of its proper divisors (44440044).

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

33330012 is a wasteful number, since it uses less digits than its factorization.

33330012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777508 (or 2777506 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 33330012 is about 5773.2150488268. The cubic root of 33330012 is about 321.8191054733.

Adding to 33330012 its reverse (21003333), we get a palindrome (54333345).

The spelling of 33330012 in words is "thirty-three million, three hundred thirty thousand, twelve".