12222310231 has 4 divisors (see below), whose sum is σ = 12452919912. Its totient is φ = 11991700552.

The previous prime is 12222310189. The next prime is 12222310241. The reversal of 12222310231 is 13201322221.

12222310231 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: 13201322221 = 41549 ⋅317729.

It is a cyclic number.

It is not a de Polignac number, because 12222310231 - 2⁹ = 12222309719 is a prime.

It is a super-2 number, since 2×12222310231² (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 = 12222310199 and 12222310208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222310241) 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, 115304761 + ... + 115304866.

It is an arithmetic number, because the mean of its divisors is an integer number (3113229978).

Almost surely, 2^12222310231 is an apocalyptic number.

12222310231 is a deficient number, since it is larger than the sum of its proper divisors (230609681).

12222310231 is an equidigital number, since it uses as much as digits as its factorization.

12222310231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230609680.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12222310231 its reverse (13201322221), we get a palindrome (25423632452).

The spelling of 12222310231 in words is "twelve billion, two hundred twenty-two million, three hundred ten thousand, two hundred thirty-one".