212727100 has 18 divisors (see below), whose sum is σ = 461618024. Its totient is φ = 85090800.

The previous prime is 212727079. The next prime is 212727131. The reversal of 212727100 is 1727212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1063536 + ... + 1063735.

Almost surely, 2^212727100 is an apocalyptic number.

212727100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212727100 is an abundant number, since it is smaller than the sum of its proper divisors (248890924).

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

212727100 is a wasteful number, since it uses less digits than its factorization.

212727100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127285 (or 2127278 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 212727100 is about 14585.1671227998. The cubic root of 212727100 is about 596.9541006979.

The spelling of 212727100 in words is "two hundred twelve million, seven hundred twenty-seven thousand, one hundred".