212450 has 24 divisors (see below), whose sum is σ = 452352. Its totient is φ = 72720.

The previous prime is 212447. The next prime is 212453. The reversal of 212450 is 54212.

It is an interprime number because it is at equal distance from previous prime (212447) and next prime (212453).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47 + ... + 653.

It is an arithmetic number, because the mean of its divisors is an integer number (18848).

2²¹²⁴⁵⁰ is an apocalyptic number.

212450 is an abundant number, since it is smaller than the sum of its proper divisors (239902).

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

212450 is a wasteful number, since it uses less digits than its factorization.

212450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 212450 is about 460.9229870597. The cubic root of 212450 is about 59.6694789030.

Adding to 212450 its reverse (54212), we get a palindrome (266662).

The spelling of 212450 in words is "two hundred twelve thousand, four hundred fifty".