212283900 has 54 divisors (see below), whose sum is σ = 665394912. Its totient is φ = 56608800.

The previous prime is 212283899. The next prime is 212283917. The reversal of 212283900 is 9382212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 117036 + ... + 118835.

It is an arithmetic number, because the mean of its divisors is an integer number (12322128).

Almost surely, 2^212283900 is an apocalyptic number.

212283900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212283900 is an abundant number, since it is smaller than the sum of its proper divisors (453111012).

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

212283900 is a wasteful number, since it uses less digits than its factorization.

212283900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235891 (or 235881 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 212283900 is about 14569.9656828697. The cubic root of 212283900 is about 596.5392436545.

The spelling of 212283900 in words is "two hundred twelve million, two hundred eighty-three thousand, nine hundred".