12442250424 has 16 divisors (see below), whose sum is σ = 31105626120. Its totient is φ = 4147416800.

The previous prime is 12442250413. The next prime is 12442250461. The reversal of 12442250424 is 42405224421.

It is a super-2 number, since 2×12442250424² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12442250391 and 12442250400.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 259213527 + ... + 259213574.

Almost surely, 2^12442250424 is an apocalyptic number.

It is an amenable number.

12442250424 is an abundant number, since it is smaller than the sum of its proper divisors (18663375696).

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

12442250424 is a wasteful number, since it uses less digits than its factorization.

12442250424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518427110 (or 518427106 counting only the distinct ones).

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

Adding to 12442250424 its reverse (42405224421), we get a palindrome (54847474845).

The spelling of 12442250424 in words is "twelve billion, four hundred forty-two million, two hundred fifty thousand, four hundred twenty-four".