12403233133 has 4 divisors (see below), whose sum is σ = 13132835100. Its totient is φ = 11673631168.

The previous prime is 12403233107. The next prime is 12403233149. The reversal of 12403233133 is 33133230421.

12403233133 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 an emirpimes, since its reverse is a distinct semiprime: 33133230421 = 40289 ⋅822389.

It can be written as a sum of positive squares in 2 ways, for example, as 7032835044 + 5370398089 = 83862^2 + 73283^2 .

It is a cyclic number.

It is not a de Polignac number, because 12403233133 - 2²⁵ = 12369678701 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12403233098 and 12403233107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12403233233) 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, 364800958 + ... + 364800991.

It is an arithmetic number, because the mean of its divisors is an integer number (3283208775).

Almost surely, 2^12403233133 is an apocalyptic number.

It is an amenable number.

12403233133 is a deficient number, since it is larger than the sum of its proper divisors (729601967).

12403233133 is an equidigital number, since it uses as much as digits as its factorization.

12403233133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729601966.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 12403233133 its reverse (33133230421), we get a palindrome (45536463554).

The spelling of 12403233133 in words is "twelve billion, four hundred three million, two hundred thirty-three thousand, one hundred thirty-three".