12012033 has 12 divisors (see below), whose sum is σ = 17604944. Its totient is φ = 7279800.

The previous prime is 12012017. The next prime is 12012037. The reversal of 12012033 is 33021021.

It is a happy number.

It is not a de Polignac number, because 12012033 - 2⁴ = 12012017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16183 + ... + 16908.

Almost surely, 2^12012033 is an apocalyptic number.

It is an amenable number.

12012033 is a deficient number, since it is larger than the sum of its proper divisors (5592911).

12012033 is a wasteful number, since it uses less digits than its factorization.

12012033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33116 (or 33105 counting only the distinct ones).

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

The square root of 12012033 is about 3465.8379939057. The cubic root of 12012033 is about 229.0193470938.

Adding to 12012033 its reverse (33021021), we get a palindrome (45033054).

The spelling of 12012033 in words is "twelve million, twelve thousand, thirty-three".