212321030244321 has 8 divisors (see below), whose sum is σ = 299747336815584. Its totient is φ = 133221038584640.

The previous prime is 212321030244293. The next prime is 212321030244359. The reversal of 212321030244321 is 123442030123212.

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 212321030244321 - 2⁵ = 212321030244289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212321030244391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2081578727835 + ... + 2081578727936.

It is an arithmetic number, because the mean of its divisors is an integer number (37468417101948).

Almost surely, 2^{212321030244321} is an apocalyptic number.

It is an amenable number.

212321030244321 is a deficient number, since it is larger than the sum of its proper divisors (87426306571263).

212321030244321 is a wasteful number, since it uses less digits than its factorization.

212321030244321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163157455791.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 212321030244321 its reverse (123442030123212), we get a palindrome (335763060367533).

The spelling of 212321030244321 in words is "two hundred twelve trillion, three hundred twenty-one billion, thirty million, two hundred forty-four thousand, three hundred twenty-one".