212313223203321 has 32 divisors (see below), whose sum is σ = 284500464353280. Its totient is φ = 140835061672704.

The previous prime is 212313223203311. The next prime is 212313223203337. The reversal of 212313223203321 is 123302322313212.

It is not a de Polignac number, because 212313223203321 - 2²⁷ = 212313088985593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212313223203311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9678305265 + ... + 9678327201.

It is an arithmetic number, because the mean of its divisors is an integer number (8890639511040).

Almost surely, 2^{212313223203321} is an apocalyptic number.

It is an amenable number.

212313223203321 is a deficient number, since it is larger than the sum of its proper divisors (72187241149959).

212313223203321 is a wasteful number, since it uses less digits than its factorization.

212313223203321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32565.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 212313223203321 its reverse (123302322313212), we get a palindrome (335615545516533).

The spelling of 212313223203321 in words is "two hundred twelve trillion, three hundred thirteen billion, two hundred twenty-three million, two hundred three thousand, three hundred twenty-one".