212363 has 4 divisors (see below), whose sum is σ = 223560. Its totient is φ = 201168.

The previous prime is 212353. The next prime is 212369. The reversal of 212363 is 363212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212363 - 2¹⁰ = 211339 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212369) 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 3 ways as a sum of consecutive naturals, for example, 5570 + ... + 5607.

It is an arithmetic number, because the mean of its divisors is an integer number (55890).

2²¹²³⁶³ is an apocalyptic number.

212363 is a deficient number, since it is larger than the sum of its proper divisors (11197).

212363 is a wasteful number, since it uses less digits than its factorization.

212363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11196.

The product of its digits is 216, while the sum is 17.

The square root of 212363 is about 460.8286015429. The cubic root of 212363 is about 59.6613327456.

Adding to 212363 its reverse (363212), we get a palindrome (575575).

It can be divided in two parts, 212 and 363, that added together give a palindrome (575).

The spelling of 212363 in words is "two hundred twelve thousand, three hundred sixty-three".