130212 has 18 divisors (see below), whose sum is σ = 329238. Its totient is φ = 43392.

The previous prime is 130211. The next prime is 130223. The reversal of 130212 is 212031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 69696 + 60516 = 264^2 + 246^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 130194 and 130203.

It is not an unprimeable number, because it can be changed into a prime (130211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1773 + ... + 1844.

It is an arithmetic number, because the mean of its divisors is an integer number (18291).

2¹³⁰²¹² is an apocalyptic number.

130212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130212 is an abundant number, since it is smaller than the sum of its proper divisors (199026).

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

130212 is a wasteful number, since it uses less digits than its factorization.

130212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3627 (or 3622 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 130212 is about 360.8489988901. The cubic root of 130212 is about 50.6854923887.

Adding to 130212 its reverse (212031), we get a palindrome (342243).

The spelling of 130212 in words is "one hundred thirty thousand, two hundred twelve".