12424444422 has 64 divisors (see below), whose sum is σ = 27952404480. Its totient is φ = 3655177344.

The previous prime is 12424444363. The next prime is 12424444429. The reversal of 12424444422 is 22444442421.

12424444422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12424444429) 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 31 ways as a sum of consecutive naturals, for example, 206323 + ... + 259649.

It is an arithmetic number, because the mean of its divisors is an integer number (436756320).

Almost surely, 2^12424444422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12424444422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13976202240).

12424444422 is an abundant number, since it is smaller than the sum of its proper divisors (15527960058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12424444422 is a wasteful number, since it uses less digits than its factorization.

12424444422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53477.

The product of its digits is 65536, while the sum is 33.

Adding to 12424444422 its reverse (22444442421), we get a palindrome (34868886843).

The spelling of 12424444422 in words is "twelve billion, four hundred twenty-four million, four hundred forty-four thousand, four hundred twenty-two".