12423422222 has 4 divisors (see below), whose sum is σ = 18635133336. Its totient is φ = 6211711110.

The previous prime is 12423422203. The next prime is 12423422233. The reversal of 12423422222 is 22222432421.

It is a happy number.

12423422222 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.

It is a junction number, because it is equal to n+sod(n) for n = 12423422191 and 12423422200.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3105855554 + ... + 3105855557.

It is an arithmetic number, because the mean of its divisors is an integer number (4658783334).

Almost surely, 2^12423422222 is an apocalyptic number.

12423422222 is a deficient number, since it is larger than the sum of its proper divisors (6211711114).

12423422222 is an equidigital number, since it uses as much as digits as its factorization.

12423422222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6211711113.

The product of its digits is 6144, while the sum is 26.

Adding to 12423422222 its reverse (22222432421), we get a palindrome (34645854643).

The spelling of 12423422222 in words is "twelve billion, four hundred twenty-three million, four hundred twenty-two thousand, two hundred twenty-two".