12012233 has 8 divisors (see below), whose sum is σ = 12661056. Its totient is φ = 11374000.

The previous prime is 12012197. The next prime is 12012257. The reversal of 12012233 is 33221021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12012233 - 2⁸ = 12011977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263 + ... + 4908.

It is an arithmetic number, because the mean of its divisors is an integer number (1582632).

Almost surely, 2^12012233 is an apocalyptic number.

It is an amenable number.

12012233 is a deficient number, since it is larger than the sum of its proper divisors (648823).

12012233 is a wasteful number, since it uses less digits than its factorization.

12012233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5295.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12012233 is about 3465.8668468364. The cubic root of 12012233 is about 229.0206181419.

Adding to 12012233 its reverse (33221021), we get a palindrome (45233254).

The spelling of 12012233 in words is "twelve million, twelve thousand, two hundred thirty-three".