12221000003 has 2 divisors, whose sum is σ = 12221000004. Its totient is φ = 12221000002.

The previous prime is 12220999991. The next prime is 12221000039. The reversal of 12221000003 is 30000012221.

It is a happy number.

12221000003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12221000003 - 2³⁰ = 11147258179 is a prime.

It is not a weakly prime, because it can be changed into another prime (12221000053) 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 as a sum of consecutive naturals, namely, 6110500001 + 6110500002.

It is an arithmetic number, because the mean of its divisors is an integer number (6110500002).

Almost surely, 2^12221000003 is an apocalyptic number.

12221000003 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221000003 is an equidigital number, since it uses as much as digits as its factorization.

12221000003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 12221000003 its reverse (30000012221), we get a palindrome (42221012224).

The spelling of 12221000003 in words is "twelve billion, two hundred twenty-one million, three", and thus it is an aban number.