212850 has 72 divisors (see below), whose sum is σ = 638352. Its totient is φ = 50400.

The previous prime is 212843. The next prime is 212851. The reversal of 212850 is 58212.

212850 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (212851) by changing a digit.

212850 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4929 + ... + 4971.

It is an arithmetic number, because the mean of its divisors is an integer number (8866).

2²¹²⁸⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319176).

212850 is an abundant number, since it is smaller than the sum of its proper divisors (425502).

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

212850 is a wasteful number, since it uses less digits than its factorization.

212850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 212850 is about 461.3566949769. The cubic root of 212850 is about 59.7069039094.

The spelling of 212850 in words is "two hundred twelve thousand, eight hundred fifty".