12122430233 has 4 divisors (see below), whose sum is σ = 12142601268. Its totient is φ = 12102259200.

The previous prime is 12122430181. The next prime is 12122430241. The reversal of 12122430233 is 33203422121.

12122430233 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: 33203422121 = 1013 ⋅32777317.

It can be written as a sum of positive squares in 2 ways, for example, as 4689921289 + 7432508944 = 68483^2 + 86212^2 .

It is a cyclic number.

It is not a de Polignac number, because 12122430233 - 2¹⁸ = 12122168089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12122430199 and 12122430208.

It is not an unprimeable number, because it can be changed into a prime (12122430283) 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, 10084616 + ... + 10085817.

It is an arithmetic number, because the mean of its divisors is an integer number (3035650317).

Almost surely, 2^12122430233 is an apocalyptic number.

It is an amenable number.

12122430233 is a deficient number, since it is larger than the sum of its proper divisors (20171035).

12122430233 is an equidigital number, since it uses as much as digits as its factorization.

12122430233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20171034.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12122430233 its reverse (33203422121), we get a palindrome (45325852354).

The spelling of 12122430233 in words is "twelve billion, one hundred twenty-two million, four hundred thirty thousand, two hundred thirty-three".