12033323013 has 4 divisors (see below), whose sum is σ = 16044430688. Its totient is φ = 8022215340.

The previous prime is 12033323009. The next prime is 12033323063. The reversal of 12033323013 is 31032333021.

12033323013 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.

It is not a de Polignac number, because 12033323013 - 2² = 12033323009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12033323063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2005553833 + ... + 2005553838.

It is an arithmetic number, because the mean of its divisors is an integer number (4011107672).

Almost surely, 2^12033323013 is an apocalyptic number.

It is an amenable number.

12033323013 is a deficient number, since it is larger than the sum of its proper divisors (4011107675).

12033323013 is an equidigital number, since it uses as much as digits as its factorization.

12033323013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011107674.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 12033323013 its reverse (31032333021), we get a palindrome (43065656034).

The spelling of 12033323013 in words is "twelve billion, thirty-three million, three hundred twenty-three thousand, thirteen".