12123203203 has 8 divisors (see below), whose sum is σ = 12436892496. Its totient is φ = 11810371200.

The previous prime is 12123203173. The next prime is 12123203243. The reversal of 12123203203 is 30230232121.

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

It is a cyclic number.

It is not a de Polignac number, because 12123203203 - 2¹³ = 12123195011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12123203243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185626 + ... + 242287.

It is an arithmetic number, because the mean of its divisors is an integer number (1554611562).

Almost surely, 2^12123203203 is an apocalyptic number.

12123203203 is a deficient number, since it is larger than the sum of its proper divisors (313689293).

12123203203 is an equidigital number, since it uses as much as digits as its factorization.

12123203203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428645.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12123203203 its reverse (30230232121), we get a palindrome (42353435324).

The spelling of 12123203203 in words is "twelve billion, one hundred twenty-three million, two hundred three thousand, two hundred three".