12321110103 has 8 divisors (see below), whose sum is σ = 16428716016. Its totient is φ = 8213788800.

The previous prime is 12321110099. The next prime is 12321110183. The reversal of 12321110103 is 30101112321.

It is a happy number.

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

It is not a de Polignac number, because 12321110103 - 2² = 12321110099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321110183) 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 7 ways as a sum of consecutive naturals, for example, 69693 + ... + 171753.

It is an arithmetic number, because the mean of its divisors is an integer number (2053589502).

Almost surely, 2^12321110103 is an apocalyptic number.

12321110103 is a deficient number, since it is larger than the sum of its proper divisors (4107605913).

12321110103 is a wasteful number, since it uses less digits than its factorization.

12321110103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142305.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12321110103 its reverse (30101112321), we get a palindrome (42422222424).

The spelling of 12321110103 in words is "twelve billion, three hundred twenty-one million, one hundred ten thousand, one hundred three".