12442420244 has 12 divisors (see below), whose sum is σ = 21775479264. Its totient is φ = 6220854744.

The previous prime is 12442420231. The next prime is 12442420253. The reversal of 12442420244 is 44202424421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254 + ... + 157749.

It is an arithmetic number, because the mean of its divisors is an integer number (1814623272).

Almost surely, 2^12442420244 is an apocalyptic number.

It is an amenable number.

12442420244 is a deficient number, since it is larger than the sum of its proper divisors (9333059020).

12442420244 is a wasteful number, since it uses less digits than its factorization.

12442420244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177694 (or 177692 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 12442420244 its reverse (44202424421), we get a palindrome (56644844665).

The spelling of 12442420244 in words is "twelve billion, four hundred forty-two million, four hundred twenty thousand, two hundred forty-four".