12,321

Number
$12 \, 321$ (twelve thousand, three hundred and twenty-one) is:


 * $3^2 \times 37^2$


 * The $3$rd Wonderful Demlo number after $1$, $121$


 * The $111$th square number:
 * $12 \, 321 = 111 \times 111$


 * A palindromic square of a palindromic number

Also see

 * Square of Small-Digit Palindromic Number is Palindromic/Examples/111