212221200322 has 8 divisors (see below), whose sum is σ = 321613571916. Its totient is φ = 105016676352.

The previous prime is 212221200313. The next prime is 212221200371. The reversal of 212221200322 is 223002122212.

212221200322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 208091981241 + 4129219081 = 456171^2 + 64259^2 .

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

It is a super-2 number, since 2×212221200322² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212221200322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546961663 + ... + 546962050.

Almost surely, 2^212221200322 is an apocalyptic number.

212221200322 is a deficient number, since it is larger than the sum of its proper divisors (109392371594).

212221200322 is a wasteful number, since it uses less digits than its factorization.

212221200322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093923812.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212221200322 its reverse (223002122212), we get a palindrome (435223322534).

The spelling of 212221200322 in words is "two hundred twelve billion, two hundred twenty-one million, two hundred thousand, three hundred twenty-two".