212432212 has 24 divisors (see below), whose sum is σ = 392682752. Its totient is φ = 100396800.

The previous prime is 212432197. The next prime is 212432237. The reversal of 212432212 is 212234212.

212432212 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 212432212.

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, 14589 + ... + 25252.

Almost surely, 2^212432212 is an apocalyptic number.

It is an amenable number.

212432212 is a deficient number, since it is larger than the sum of its proper divisors (180250540).

212432212 is a wasteful number, since it uses less digits than its factorization.

212432212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39919 (or 39917 counting only the distinct ones).

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

The square root of 212432212 is about 14575.0544424369. The cubic root of 212432212 is about 596.6781352241.

Adding to 212432212 its reverse (212234212), we get a palindrome (424666424).

The spelling of 212432212 in words is "two hundred twelve million, four hundred thirty-two thousand, two hundred twelve".