212202 has 12 divisors (see below), whose sum is σ = 459810. Its totient is φ = 70728.

The previous prime is 212183. The next prime is 212203. The reversal of 212202 is 202212.

It can be written as a sum of positive squares in only one way, i.e., 210681 + 1521 = 459^2 + 39^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (212203) 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 5 ways as a sum of consecutive naturals, for example, 5877 + ... + 5912.

2²¹²²⁰² is an apocalyptic number.

212202 is an abundant number, since it is smaller than the sum of its proper divisors (247608).

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

212202 is a wasteful number, since it uses less digits than its factorization.

212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11797 (or 11794 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 212202 is about 460.6538830836. The cubic root of 212202 is about 59.6462518024.

Adding to 212202 its reverse (202212), we get a palindrome (414414).

It can be divided in two parts, 212 and 202, that multiplied together give a palindrome (42824).

The spelling of 212202 in words is "two hundred twelve thousand, two hundred two", and thus it is an iban number.