212120120212 has 48 divisors (see below), whose sum is σ = 498408124032. Its totient is φ = 76286954880.

The previous prime is 212120120189. The next prime is 212120120237. The reversal of 212120120212 is 212021021212.

It is a happy number.

212120120212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 26484523 + ... + 26492530.

It is an arithmetic number, because the mean of its divisors is an integer number (10383502584).

Almost surely, 2^212120120212 is an apocalyptic number.

212120120212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212120120212 is an abundant number, since it is smaller than the sum of its proper divisors (286288003820).

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

212120120212 is a wasteful number, since it uses less digits than its factorization.

212120120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52977088 (or 52977086 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212120120212 its reverse (212021021212), we get a palindrome (424141141424).

The spelling of 212120120212 in words is "two hundred twelve billion, one hundred twenty million, one hundred twenty thousand, two hundred twelve".