212277076 has 18 divisors (see below), whose sum is σ = 408327290. Its totient is φ = 96489360.

The previous prime is 212277073. The next prime is 212277077. The reversal of 212277076 is 670772212.

212277076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 209554576 + 2722500 = 14476^2 + 1650^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212277073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 218811 + ... + 219778.

Almost surely, 2^212277076 is an apocalyptic number.

It is an amenable number.

212277076 is a deficient number, since it is larger than the sum of its proper divisors (196050214).

212277076 is a wasteful number, since it uses less digits than its factorization.

212277076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438615 (or 438602 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 212277076 is about 14569.7315006146. The cubic root of 212277076 is about 596.5328515424.

The spelling of 212277076 in words is "two hundred twelve million, two hundred seventy-seven thousand, seventy-six".