212648271 has 32 divisors (see below), whose sum is σ = 333918720. Its totient is φ = 119011200.

The previous prime is 212648237. The next prime is 212648273. The reversal of 212648271 is 172846212.

212648271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212648271 - 2¹⁰ = 212647247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212648273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17181 + ... + 26841.

It is an arithmetic number, because the mean of its divisors is an integer number (10434960).

Almost surely, 2^212648271 is an apocalyptic number.

212648271 is a deficient number, since it is larger than the sum of its proper divisors (121270449).

212648271 is a wasteful number, since it uses less digits than its factorization.

212648271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9727.

The product of its digits is 10752, while the sum is 33.

The square root of 212648271 is about 14582.4645036427. The cubic root of 212648271 is about 596.8803550263.

The spelling of 212648271 in words is "two hundred twelve million, six hundred forty-eight thousand, two hundred seventy-one".