33012012 has 24 divisors (see below), whose sum is σ = 84030912. Its totient is φ = 10003600.

The previous prime is 33011983. The next prime is 33012019. The reversal of 33012012 is 21021033.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (33012019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124914 + ... + 125177.

It is an arithmetic number, because the mean of its divisors is an integer number (3501288).

Almost surely, 2^33012012 is an apocalyptic number.

It is an amenable number.

33012012 is an abundant number, since it is smaller than the sum of its proper divisors (51018900).

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

33012012 is a wasteful number, since it uses less digits than its factorization.

33012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250109 (or 250107 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 33012012 is about 5745.6080618156. The cubic root of 33012012 is about 320.7923463617.

Adding to 33012012 its reverse (21021033), we get a palindrome (54033045).

It can be divided in two parts, 3 and 3012012, that multiplied together give a square (9036036 = 3006²).

The spelling of 33012012 in words is "thirty-three million, twelve thousand, twelve".