212013123300 is a `hidden beast` number, since 2 + 1 + 20 + 1 + 312 + 330 + 0 = 666.
It is an unprimeable number.
Almost surely, 2212013123300 is an apocalyptic number.
212013123300 is a gapful number since it is divisible by the number (20) 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.
212013123300 is a wasteful number, since it uses less digits than its factorization.
212013123300 is an odious number, because the sum of its binary digits is odd.
Adding to 212013123300 its reverse (3321310212), we get a palindrome (215334433512).
The spelling of 212013123300 in words is "two hundred twelve billion, thirteen million, one hundred twenty-three thousand, three hundred".