12221320003 has 8 divisors (see below), whose sum is σ = 12439537200. Its totient is φ = 12003472128.

The previous prime is 12221319953. The next prime is 12221320021. The reversal of 12221320003 is 30002312221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12221320003 - 2²⁵ = 12187765571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221320073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25126 + ... + 158347.

It is an arithmetic number, because the mean of its divisors is an integer number (1554942150).

Almost surely, 2^12221320003 is an apocalyptic number.

12221320003 is a deficient number, since it is larger than the sum of its proper divisors (218217197).

12221320003 is a wasteful number, since it uses less digits than its factorization.

12221320003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184661.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12221320003 its reverse (30002312221), we get a palindrome (42223632224).

The spelling of 12221320003 in words is "twelve billion, two hundred twenty-one million, three hundred twenty thousand, three".