212222001322 has 8 divisors (see below), whose sum is σ = 323551575972. Its totient is φ = 104371476000.

The previous prime is 212222001317. The next prime is 212222001331. The reversal of 212222001322 is 223100222212.

It can be written as a sum of positive squares in 2 ways, for example, as 183080438641 + 29141562681 = 427879^2 + 170709^2 .

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

It is a super-2 number, since 2×212222001322² (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 212222001322.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 869762179 + ... + 869762422.

Almost surely, 2^212222001322 is an apocalyptic number.

212222001322 is a deficient number, since it is larger than the sum of its proper divisors (111329574650).

212222001322 is a wasteful number, since it uses less digits than its factorization.

212222001322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739524664.

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

Adding to 212222001322 its reverse (223100222212), we get a palindrome (435322223534).

The spelling of 212222001322 in words is "two hundred twelve billion, two hundred twenty-two million, one thousand, three hundred twenty-two".