12442224252 has 48 divisors (see below), whose sum is σ = 30754586240. Its totient is φ = 3904085952.

The previous prime is 12442224181. The next prime is 12442224259. The reversal of 12442224252 is 25242224421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442224259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137998 + ... + 209589.

Almost surely, 2^12442224252 is an apocalyptic number.

12442224252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12442224252 is an abundant number, since it is smaller than the sum of its proper divisors (18312361988).

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

12442224252 is a wasteful number, since it uses less digits than its factorization.

12442224252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347770 (or 347768 counting only the distinct ones).

The product of its digits is 20480, while the sum is 30.

Adding to 12442224252 its reverse (25242224421), we get a palindrome (37684448673).

The spelling of 12442224252 in words is "twelve billion, four hundred forty-two million, two hundred twenty-four thousand, two hundred fifty-two".