12321444003 has 32 divisors (see below), whose sum is σ = 18113283072. Its totient is φ = 7388301600.

The previous prime is 12321443977. The next prime is 12321444101. The reversal of 12321444003 is 30044412321.

12321444003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 111002²-1.

It is not a de Polignac number, because 12321444003 - 2⁵ = 12321443971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12321544003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1215988 + ... + 1226078.

It is an arithmetic number, because the mean of its divisors is an integer number (566040096).

Almost surely, 2^12321444003 is an apocalyptic number.

12321444003 is a deficient number, since it is larger than the sum of its proper divisors (5791839069).

12321444003 is a wasteful number, since it uses less digits than its factorization.

12321444003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10495.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12321444003 its reverse (30044412321), we get a palindrome (42365856324).

The spelling of 12321444003 in words is "twelve billion, three hundred twenty-one million, four hundred forty-four thousand, three".