12081033 has 18 divisors (see below), whose sum is σ = 18542862. Its totient is φ = 7553280.

The previous prime is 12081031. The next prime is 12081037. The reversal of 12081033 is 33018021.

12081033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 5253264 + 6827769 = 2292^2 + 2613^2 .

It is not a de Polignac number, because 12081033 - 2¹ = 12081031 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12080997 and 12081015.

It is not an unprimeable number, because it can be changed into a prime (12081031) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 42853 + ... + 43133.

It is an arithmetic number, because the mean of its divisors is an integer number (1030159).

Almost surely, 2^12081033 is an apocalyptic number.

It is an amenable number.

12081033 is a deficient number, since it is larger than the sum of its proper divisors (6461829).

12081033 is an equidigital number, since it uses as much as digits as its factorization.

12081033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 12081033 is about 3475.7780423957. The cubic root of 12081033 is about 229.4570241485.

Adding to 12081033 its reverse (33018021), we get a palindrome (45099054).

The spelling of 12081033 in words is "twelve million, eighty-one thousand, thirty-three".