212

Number
$212$ (two hundred and twelve) is:


 * $2^2 \times 53$


 * $212$ is a palindromic number whose square is also palindromic:


 * The $8$th integer after $0, 1, 2, 4, 8, 121, 151$ which is palindromic in both decimal and ternary:
 * $212_{10} = 12 \, 121_3$

Also see

 * Square of Small-Digit Palindromic Number is Palindromic