212064276 has 12 divisors (see below), whose sum is σ = 494816672. Its totient is φ = 70688088.

The previous prime is 212064271. The next prime is 212064277. The reversal of 212064276 is 672460212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212064271) 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, 8836000 + ... + 8836023.

Almost surely, 2^212064276 is an apocalyptic number.

It is an amenable number.

212064276 is an abundant number, since it is smaller than the sum of its proper divisors (282752396).

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

212064276 is a wasteful number, since it uses less digits than its factorization.

212064276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17672030 (or 17672028 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 212064276 is about 14562.4268581854. The cubic root of 212064276 is about 596.3334507795. Note that the first 3 decimals are identical.

The spelling of 212064276 in words is "two hundred twelve million, sixty-four thousand, two hundred seventy-six".