Adding to 12023102002100 its reverse (120020132021), we get a palindrome (12143122134121).
It is a happy number.
It is a congruent number.
It is an unprimeable number.
Almost surely, 212023102002100 is an apocalyptic number.
12023102002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12023102002100 is a wasteful number, since it uses less digits than its factorization.
12023102002100 is an odious number, because the sum of its binary digits is odd.
The spelling of 12023102002100 in words is "twelve trillion, twenty-three billion, one hundred two million, two thousand, one hundred".