212873300 has 18 divisors (see below), whose sum is σ = 461935278. Its totient is φ = 85149280.

The previous prime is 212873291. The next prime is 212873363. The reversal of 212873300 is 3378212.

It can be written as a sum of positive squares in 3 ways, for example, as 355216 + 212518084 = 596^2 + 14578^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212873300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1064267 + ... + 1064466.

It is an arithmetic number, because the mean of its divisors is an integer number (25663071).

Almost surely, 2^212873300 is an apocalyptic number.

212873300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212873300 is an abundant number, since it is smaller than the sum of its proper divisors (249061978).

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

212873300 is a wasteful number, since it uses less digits than its factorization.

212873300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128747 (or 2128740 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 212873300 is about 14590.1782031612. The cubic root of 212873300 is about 597.0908247033.

The spelling of 212873300 in words is "two hundred twelve million, eight hundred seventy-three thousand, three hundred".