It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
Almost surely, 212020020212021 is an apocalyptic number.
It is an amenable number.
12020020212021 is a wasteful number, since it uses less digits than its factorization.
12020020212021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 334430931.
Adding to 12020020212021 its reverse (12021202002021), we get a palindrome (24041222214042).
The spelling of 12020020212021 in words is "twelve trillion, twenty billion, twenty million, two hundred twelve thousand, twenty-one".