212838272 has 32 divisors (see below), whose sum is σ = 430980600. Its totient is φ = 104670720.

The previous prime is 212838271. The next prime is 212838293. The reversal of 212838272 is 272838212.

It is a happy number.

212838272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212838271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5822 + ... + 21437.

Almost surely, 2^212838272 is an apocalyptic number.

It is an amenable number.

212838272 is an abundant number, since it is smaller than the sum of its proper divisors (218142328).

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

212838272 is an equidigital number, since it uses as much as digits as its factorization.

212838272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27334 (or 27322 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 212838272 is about 14588.9777571974. The cubic root of 212838272 is about 597.0580727570.

The spelling of 212838272 in words is "two hundred twelve million, eight hundred thirty-eight thousand, two hundred seventy-two".