12204021323 has 8 divisors (see below), whose sum is σ = 13144271616. Its totient is φ = 11263982400.

The previous prime is 12204021311. The next prime is 12204021331. The reversal of 12204021323 is 32312040221.

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 12204021323 - 2⁶ = 12204021259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12204021295 and 12204021304.

It is not an unprimeable number, because it can be changed into a prime (12204021343) 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, 79343 + ... + 175223.

It is an arithmetic number, because the mean of its divisors is an integer number (1643033952).

Almost surely, 2^12204021323 is an apocalyptic number.

12204021323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12204021323 is a deficient number, since it is larger than the sum of its proper divisors (940250293).

12204021323 is an equidigital number, since it uses as much as digits as its factorization.

12204021323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105685.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12204021323 its reverse (32312040221), we get a palindrome (44516061544).

The spelling of 12204021323 in words is "twelve billion, two hundred four million, twenty-one thousand, three hundred twenty-three".