212120002212 has 24 divisors (see below), whose sum is σ = 494959448256. Its totient is φ = 70704842208.

The previous prime is 212120002207. The next prime is 212120002219. The reversal of 212120002212 is 212200021212.

212120002212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212120002191 and 212120002200.

It is not an unprimeable number, because it can be changed into a prime (212120002219) 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 7 ways as a sum of consecutive naturals, for example, 306138 + ... + 719694.

It is an arithmetic number, because the mean of its divisors is an integer number (20623310344).

Almost surely, 2^212120002212 is an apocalyptic number.

It is an amenable number.

212120002212 is an abundant number, since it is smaller than the sum of its proper divisors (282839446044).

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

212120002212 is a wasteful number, since it uses less digits than its factorization.

212120002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456307 (or 456305 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212120002212 its reverse (212200021212), we get a palindrome (424320023424).

The spelling of 212120002212 in words is "two hundred twelve billion, one hundred twenty million, two thousand, two hundred twelve".