212030022321 has 24 divisors (see below), whose sum is σ = 347183665920. Its totient is φ = 123612643296.

The previous prime is 212030022317. The next prime is 212030022443. The reversal of 212030022321 is 123220030212.

212030022321 is a `hidden beast` number, since 2 + 1 + 20 + 300 + 22 + 321 = 666.

It is not a de Polignac number, because 212030022321 - 2² = 212030022317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212030022294 and 212030022303.

It is not an unprimeable number, because it can be changed into a prime (212030022521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47687841 + ... + 47692286.

It is an arithmetic number, because the mean of its divisors is an integer number (14465986080).

Almost surely, 2^212030022321 is an apocalyptic number.

It is an amenable number.

212030022321 is a deficient number, since it is larger than the sum of its proper divisors (135153643599).

212030022321 is a wasteful number, since it uses less digits than its factorization.

212030022321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95380165 (or 95380162 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212030022321 its reverse (123220030212), we get a palindrome (335250052533).

The spelling of 212030022321 in words is "two hundred twelve billion, thirty million, twenty-two thousand, three hundred twenty-one".