12324434221 has 8 divisors (see below), whose sum is σ = 13595904000. Its totient is φ = 11078142240.

The previous prime is 12324434209. The next prime is 12324434267. The reversal of 12324434221 is 12243442321.

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

It is not a de Polignac number, because 12324434221 - 2⁷ = 12324434093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12324434221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12324431221) 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, 6293421 + ... + 6295378.

It is an arithmetic number, because the mean of its divisors is an integer number (1699488000).

Almost surely, 2^12324434221 is an apocalyptic number.

12324434221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12324434221 is a deficient number, since it is larger than the sum of its proper divisors (1271469779).

12324434221 is a wasteful number, since it uses less digits than its factorization.

12324434221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12588899.

The product of its digits is 9216, while the sum is 28.

Adding to 12324434221 its reverse (12243442321), we get a palindrome (24567876542).

The spelling of 12324434221 in words is "twelve billion, three hundred twenty-four million, four hundred thirty-four thousand, two hundred twenty-one".