324012021 has 8 divisors (see below), whose sum is σ = 432100320. Its totient is φ = 215965872.

The previous prime is 324012001. The next prime is 324012037. The reversal of 324012021 is 120210423.

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

It is not a de Polignac number, because 324012021 - 2⁶ = 324011957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324012001) 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, 20275 + ... + 32543.

It is an arithmetic number, because the mean of its divisors is an integer number (54012540).

Almost surely, 2^324012021 is an apocalyptic number.

It is an amenable number.

324012021 is a deficient number, since it is larger than the sum of its proper divisors (108088299).

324012021 is a wasteful number, since it uses less digits than its factorization.

324012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21075.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 324012021 is about 18000.3339135695. Note that the first 3 decimals coincide. The cubic root of 324012021 is about 686.8370396306.

Adding to 324012021 its reverse (120210423), we get a palindrome (444222444).

The spelling of 324012021 in words is "three hundred twenty-four million, twelve thousand, twenty-one".