212022303322212 has 18 divisors (see below), whose sum is σ = 535945266731238. Its totient is φ = 70674101107392.

The previous prime is 212022303322201. The next prime is 212022303322213. The reversal of 212022303322212 is 212223303220212.

212022303322212 is a `hidden beast` number, since 2 + 1 + 2 + 0 + 22 + 303 + 322 + 2 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 129801223725156 + 82221079597056 = 11393034^2 + 9067584^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (212022303322213) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2944754212773 + ... + 2944754212844.

Almost surely, 2^{212022303322212} is an apocalyptic number.

It is an amenable number.

212022303322212 is an abundant number, since it is smaller than the sum of its proper divisors (323922963409026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212022303322212 is a wasteful number, since it uses less digits than its factorization.

212022303322212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5889508425627 (or 5889508425622 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 212022303322212 its reverse (212223303220212), we get a palindrome (424245606542424).

The spelling of 212022303322212 in words is "two hundred twelve trillion, twenty-two billion, three hundred three million, three hundred twenty-two thousand, two hundred twelve".