180212 has 6 divisors (see below), whose sum is σ = 315378. Its totient is φ = 90104.

The previous prime is 180211. The next prime is 180221. The reversal of 180212 is 212081.

180212 is nontrivially palindromic in base 13.

It can be written as a sum of positive squares in only one way, i.e., 164836 + 15376 = 406^2 + 124^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22523 + ... + 22530.

It is an arithmetic number, because the mean of its divisors is an integer number (52563).

2¹⁸⁰²¹² is an apocalyptic number.

It is an amenable number.

180212 is a deficient number, since it is larger than the sum of its proper divisors (135166).

180212 is a wasteful number, since it uses less digits than its factorization.

180212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45057 (or 45055 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 180212 is about 424.5138395859. The cubic root of 180212 is about 56.4843196626.

Adding to 180212 its reverse (212081), we get a palindrome (392293).

The spelling of 180212 in words is "one hundred eighty thousand, two hundred twelve".