12301221103 has 4 divisors (see below), whose sum is σ = 12601250928. Its totient is φ = 12001191280.

The previous prime is 12301221047. The next prime is 12301221113. The reversal of 12301221103 is 30112210321.

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 12301221103 - 2¹⁷ = 12301090031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301221113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150014851 + ... + 150014932.

It is an arithmetic number, because the mean of its divisors is an integer number (3150312732).

Almost surely, 2^12301221103 is an apocalyptic number.

12301221103 is a deficient number, since it is larger than the sum of its proper divisors (300029825).

12301221103 is an equidigital number, since it uses as much as digits as its factorization.

12301221103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300029824.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12301221103 its reverse (30112210321), we get a palindrome (42413431424).

The spelling of 12301221103 in words is "twelve billion, three hundred one million, two hundred twenty-one thousand, one hundred three".