211204212 has 24 divisors (see below), whose sum is σ = 493920000. Its totient is φ = 70242816.

The previous prime is 211204199. The next prime is 211204219. The reversal of 211204212 is 212402112.

211204212 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 junction number, because it is equal to n+sod(n) for n = 211204191 and 211204200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211204219) 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, 14212 + ... + 24987.

It is an arithmetic number, because the mean of its divisors is an integer number (20580000).

Almost surely, 2^211204212 is an apocalyptic number.

It is an amenable number.

211204212 is an abundant number, since it is smaller than the sum of its proper divisors (282715788).

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

211204212 is a wasteful number, since it uses less digits than its factorization.

211204212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39655 (or 39653 counting only the distinct ones).

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

The square root of 211204212 is about 14532.8666133010. The cubic root of 211204212 is about 595.5261800245.

Adding to 211204212 its reverse (212402112), we get a palindrome (423606324).

The spelling of 211204212 in words is "two hundred eleven million, two hundred four thousand, two hundred twelve".