12109033 has 4 divisors (see below), whose sum is σ = 12366720. Its totient is φ = 11851348.

The previous prime is 12109007. The next prime is 12109039. The reversal of 12109033 is 33090121.

12109033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33090121 = 61 ⋅542461.

It is a cyclic number.

It is not a de Polignac number, because 12109033 - 2⁹ = 12108521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12109033.

It is not an unprimeable number, because it can be changed into a prime (12109039) 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, 128773 + ... + 128866.

It is an arithmetic number, because the mean of its divisors is an integer number (3091680).

Almost surely, 2^12109033 is an apocalyptic number.

It is an amenable number.

12109033 is a deficient number, since it is larger than the sum of its proper divisors (257687).

12109033 is an equidigital number, since it uses as much as digits as its factorization.

12109033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257686.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 12109033 is about 3479.8035864112. The cubic root of 12109033 is about 229.6341568907.

Adding to 12109033 its reverse (33090121), we get a palindrome (45199154).

The spelling of 12109033 in words is "twelve million, one hundred nine thousand, thirty-three".