12234202331 has 4 divisors (see below), whose sum is σ = 13175294832. Its totient is φ = 11293109832.

The previous prime is 12234202313. The next prime is 12234202333. The reversal of 12234202331 is 13320243221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13320243221 = 41 ⋅324883981.

It is a cyclic number.

It is not a de Polignac number, because 12234202331 - 2¹⁰ = 12234201307 is a prime.

It is a super-2 number, since 2×12234202331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12234202297 and 12234202306.

It is not an unprimeable number, because it can be changed into a prime (12234202333) 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, 470546231 + ... + 470546256.

It is an arithmetic number, because the mean of its divisors is an integer number (3293823708).

Almost surely, 2^12234202331 is an apocalyptic number.

12234202331 is a deficient number, since it is larger than the sum of its proper divisors (941092501).

12234202331 is an equidigital number, since it uses as much as digits as its factorization.

12234202331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941092500.

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

Adding to 12234202331 its reverse (13320243221), we get a palindrome (25554445552).

The spelling of 12234202331 in words is "twelve billion, two hundred thirty-four million, two hundred two thousand, three hundred thirty-one".