212452 has 6 divisors (see below), whose sum is σ = 371798. Its totient is φ = 106224.

The previous prime is 212447. The next prime is 212453. The reversal of 212452 is 254212.

It can be written as a sum of positive squares in only one way, i.e., 181476 + 30976 = 426^2 + 176^2 .

It is a plaindrome in base 11.

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

212452 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 26553 + ... + 26560.

2²¹²⁴⁵² is an apocalyptic number.

It is an amenable number.

212452 is a deficient number, since it is larger than the sum of its proper divisors (159346).

212452 is a wasteful number, since it uses less digits than its factorization.

212452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53117 (or 53115 counting only the distinct ones).

The product of its digits is 160, while the sum is 16.

The square root of 212452 is about 460.9251566144. The cubic root of 212452 is about 59.6696661448.

Adding to 212452 its reverse (254212), we get a palindrome (466664).

The spelling of 212452 in words is "two hundred twelve thousand, four hundred fifty-two".