4221312003 has 40 divisors (see below), whose sum is σ = 6457195008. Its totient is φ = 2747015856.

The previous prime is 4221311929. The next prime is 4221312037. The reversal of 4221312003 is 3002131224.

4221312003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4221312003 - 2²⁶ = 4154203139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4221312083) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1685250 + ... + 1687752.

Almost surely, 2^4221312003 is an apocalyptic number.

4221312003 is a deficient number, since it is larger than the sum of its proper divisors (2235883005).

4221312003 is a wasteful number, since it uses less digits than its factorization.

4221312003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005 (or 2996 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 4221312003 is about 64971.6245987431. The cubic root of 4221312003 is about 1616.1530427784.

Adding to 4221312003 its reverse (3002131224), we get a palindrome (7223443227).

The spelling of 4221312003 in words is "four billion, two hundred twenty-one million, three hundred twelve thousand, three".