134212 has 24 divisors (see below), whose sum is σ = 264600. Its totient is φ = 59136.

The previous prime is 134207. The next prime is 134213. The reversal of 134212 is 212431.

It can be written as a sum of positive squares in 4 ways, for example, as 256 + 133956 = 16^2 + 366^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 134192 and 134201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134213) by changing a digit.

134212 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 (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1464 + ... + 1552.

It is an arithmetic number, because the mean of its divisors is an integer number (11025).

2¹³⁴²¹² is an apocalyptic number.

134212 is the 232-nd heptagonal number.

It is an amenable number.

134212 is a deficient number, since it is larger than the sum of its proper divisors (130388).

134212 is a wasteful number, since it uses less digits than its factorization.

134212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 133 counting only the distinct ones).

The product of its digits is 48, while the sum is 13.

The square root of 134212 is about 366.3495598469. The cubic root of 134212 is about 51.1992716368.

Adding to 134212 its reverse (212431), we get a palindrome (346643).

It can be divided in two parts, 13 and 4212, that multiplied together give a square (54756 = 234²).

The spelling of 134212 in words is "one hundred thirty-four thousand, two hundred twelve".