12031032003 has 4 divisors (see below), whose sum is σ = 16041376008. Its totient is φ = 8020688000.

The previous prime is 12031031939. The next prime is 12031032031. The reversal of 12031032003 is 30023013021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12031032003 - 2⁶ = 12031031939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12031032043) by changing a digit.

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, 2005171998 + ... + 2005172003.

It is an arithmetic number, because the mean of its divisors is an integer number (4010344002).

Almost surely, 2^12031032003 is an apocalyptic number.

12031032003 is a deficient number, since it is larger than the sum of its proper divisors (4010344005).

12031032003 is an equidigital number, since it uses as much as digits as its factorization.

12031032003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010344004.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 12031032003 its reverse (30023013021), we get a palindrome (42054045024).

The spelling of 12031032003 in words is "twelve billion, thirty-one million, thirty-two thousand, three".