212135212 has 24 divisors (see below), whose sum is σ = 375441920. Its totient is φ = 104872320.

The previous prime is 212135207. The next prime is 212135213. The reversal of 212135212 is 212531212.

212135212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 212135212.

It is not an unprimeable number, because it can be changed into a prime (212135213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207262 + ... + 208282.

Almost surely, 2^212135212 is an apocalyptic number.

It is an amenable number.

212135212 is a deficient number, since it is larger than the sum of its proper divisors (163306708).

212135212 is a wasteful number, since it uses less digits than its factorization.

212135212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561 (or 1559 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 212135212 is about 14564.8622375909. The cubic root of 212135212 is about 596.3999350151.

Adding to 212135212 its reverse (212531212), we get a palindrome (424666424).

It can be divided in two parts, 212 and 135212, that added together give a square (135424 = 368²).

The spelling of 212135212 in words is "two hundred twelve million, one hundred thirty-five thousand, two hundred twelve".