212830000 has 50 divisors (see below), whose sum is σ = 515306924. Its totient is φ = 85128000.

The previous prime is 212829997. The next prime is 212830019. The reversal of 212830000 is 38212.

It is a happy number.

212830000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 642 + ... + 20641.

Almost surely, 2^212830000 is an apocalyptic number.

212830000 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 212830000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257653462).

212830000 is an abundant number, since it is smaller than the sum of its proper divisors (302476924).

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

212830000 is an equidigital number, since it uses as much as digits as its factorization.

212830000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21311 (or 21290 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 212830000 is about 14588.6942527424. The cubic root of 212830000 is about 597.0503377315.

Adding to 212830000 its reverse (38212), we get a palindrome (212868212).

The spelling of 212830000 in words is "two hundred twelve million, eight hundred thirty thousand".