12305550223 has 12 divisors (see below), whose sum is σ = 12722999184. Its totient is φ = 11901396000.

The previous prime is 12305550221. The next prime is 12305550253. The reversal of 12305550223 is 32205550321.

It is not a de Polignac number, because 12305550223 - 2¹ = 12305550221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12305550191 and 12305550200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12305550221) 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 11 ways as a sum of consecutive naturals, for example, 2296998 + ... + 2302348.

It is an arithmetic number, because the mean of its divisors is an integer number (1060249932).

Almost surely, 2^12305550223 is an apocalyptic number.

12305550223 is a deficient number, since it is larger than the sum of its proper divisors (417448961).

12305550223 is an equidigital number, since it uses as much as digits as its factorization.

12305550223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7806 (or 7775 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 12305550223 in words is "twelve billion, three hundred five million, five hundred fifty thousand, two hundred twenty-three".