12444442244 has 24 divisors (see below), whose sum is σ = 23551140480. Its totient is φ = 5719551264.

The previous prime is 12444442229. The next prime is 12444442277. The reversal of 12444442244 is 44224444421.

It is a nude number because it is divisible by every one of its digits.

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 7 ways as a sum of consecutive naturals, for example, 488234 + ... + 513089.

It is an arithmetic number, because the mean of its divisors is an integer number (981297520).

Almost surely, 2^12444442244 is an apocalyptic number.

It is an amenable number.

12444442244 is a deficient number, since it is larger than the sum of its proper divisors (11106698236).

12444442244 is a wasteful number, since it uses less digits than its factorization.

12444442244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001579 (or 1001577 counting only the distinct ones).

The product of its digits is 131072, while the sum is 35.

Adding to 12444442244 its reverse (44224444421), we get a palindrome (56668886665).

The spelling of 12444442244 in words is "twelve billion, four hundred forty-four million, four hundred forty-two thousand, two hundred forty-four".