To determine the correct answer, let's compare the given number with each of the options:
Option A) 1231111123 - This option is incorrect because it is different from the given number. The last digit is changed from '3' to '2'.
Option B) 1231111213 - This option is correct because it matches the given number exactly. There are no changes.
Option C) 1231112213 - This option is incorrect because it is different from the given number. The fifth digit is changed from '1' to '2'.
Option D) 1233111213 - This option is incorrect because it is different from the given number. The second digit is changed from '2' to '3'.
Therefore, the correct answer is B) 1231111213, as it matches the given number exactly.