12444442003 has 16 divisors (see below), whose sum is σ = 14711271424. Its totient is φ = 10301294880.

The previous prime is 12444441979. The next prime is 12444442033. The reversal of 12444442003 is 30024444421.

It is a cyclic number.

It is not a de Polignac number, because 12444442003 - 2³³ = 3854507411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12444442033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46801 + ... + 164557.

It is an arithmetic number, because the mean of its divisors is an integer number (919454464).

Almost surely, 2^12444442003 is an apocalyptic number.

12444442003 is a deficient number, since it is larger than the sum of its proper divisors (2266829421).

12444442003 is a wasteful number, since it uses less digits than its factorization.

12444442003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118282.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 12444442003 its reverse (30024444421), we get a palindrome (42468886424).

The spelling of 12444442003 in words is "twelve billion, four hundred forty-four million, four hundred forty-two thousand, three".