12324554221 has 8 divisors (see below), whose sum is σ = 14179737600. Its totient is φ = 10493004048.

The previous prime is 12324554219. The next prime is 12324554267. The reversal of 12324554221 is 12245542321.

It is a happy number.

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 12324554221 - 2¹ = 12324554219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12324554201) 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, 5907181 + ... + 5909266.

It is an arithmetic number, because the mean of its divisors is an integer number (1772467200).

Almost surely, 2^12324554221 is an apocalyptic number.

It is an amenable number.

12324554221 is a deficient number, since it is larger than the sum of its proper divisors (1855183379).

12324554221 is a wasteful number, since it uses less digits than its factorization.

12324554221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11816603.

The product of its digits is 19200, while the sum is 31.

The spelling of 12324554221 in words is "twelve billion, three hundred twenty-four million, five hundred fifty-four thousand, two hundred twenty-one".