212012212 has 24 divisors (see below), whose sum is σ = 377496000. Its totient is φ = 104170176.

The previous prime is 212012209. The next prime is 212012263. The reversal of 212012212 is 212210212.

It is a happy number.

212012212 is digitally balanced in base 3, 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 = 212012192 and 212012201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64464 + ... + 67672.

It is an arithmetic number, because the mean of its divisors is an integer number (15729000).

Almost surely, 2^212012212 is an apocalyptic number.

It is an amenable number.

212012212 is a deficient number, since it is larger than the sum of its proper divisors (165483788).

212012212 is a wasteful number, since it uses less digits than its factorization.

212012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3495 (or 3493 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 212012212 is about 14560.6391343237. The cubic root of 212012212 is about 596.2846447499.

Adding to 212012212 its reverse (212210212), we get a palindrome (424222424).

The spelling of 212012212 in words is "two hundred twelve million, twelve thousand, two hundred twelve".