12230242231 has 4 divisors (see below), whose sum is σ = 12528540864. Its totient is φ = 11931943600.

The previous prime is 12230242177. The next prime is 12230242237. The reversal of 12230242231 is 13224203221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12230242231 - 2⁹ = 12230241719 is a prime.

It is a super-2 number, since 2×12230242231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230242237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149149255 + ... + 149149336.

It is an arithmetic number, because the mean of its divisors is an integer number (3132135216).

Almost surely, 2^12230242231 is an apocalyptic number.

12230242231 is a deficient number, since it is larger than the sum of its proper divisors (298298633).

12230242231 is an equidigital number, since it uses as much as digits as its factorization.

12230242231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298298632.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12230242231 its reverse (13224203221), we get a palindrome (25454445452).

The spelling of 12230242231 in words is "twelve billion, two hundred thirty million, two hundred forty-two thousand, two hundred thirty-one".