12173452203 has 18 divisors (see below), whose sum is σ = 17844063636. Its totient is φ = 7376575800.

The previous prime is 12173452189. The next prime is 12173452219. The reversal of 12173452203 is 30225437121.

12173452203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12173452203 - 2⁹ = 12173451691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12173452223) 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 in 17 ways as a sum of consecutive naturals, for example, 2099238 + ... + 2105028.

Almost surely, 2^12173452203 is an apocalyptic number.

12173452203 is a deficient number, since it is larger than the sum of its proper divisors (5670611433).

12173452203 is an frugal number, since it uses more digits than its factorization.

12173452203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11607 (or 5805 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

Adding to 12173452203 its reverse (30225437121), we get a palindrome (42398889324).

The spelling of 12173452203 in words is "twelve billion, one hundred seventy-three million, four hundred fifty-two thousand, two hundred three".