It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a Duffinian number.
Almost surely, 212001201022011 is an apocalyptic number.
12001201022011 is an equidigital number, since it uses as much as digits as its factorization.
12001201022011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31334728900.
Adding to 12001201022011 its reverse (11022010210021), we get a palindrome (23023211232032).
The spelling of 12001201022011 in words is "twelve trillion, one billion, two hundred one million, twenty-two thousand, eleven".