212384900 has 72 divisors (see below), whose sum is σ = 567255360. Its totient is φ = 67213440.

The previous prime is 212384899. The next prime is 212384923. The reversal of 212384900 is 9483212.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2570 + ... + 20769.

Almost surely, 2^212384900 is an apocalyptic number.

212384900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212384900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283627680).

212384900 is an abundant number, since it is smaller than the sum of its proper divisors (354870460).

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

212384900 is a wasteful number, since it uses less digits than its factorization.

212384900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23373 (or 23366 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 212384900 is about 14573.4313049467. The cubic root of 212384900 is about 596.6338353952.

The spelling of 212384900 in words is "two hundred twelve million, three hundred eighty-four thousand, nine hundred".