It is a congruent number.
Almost surely, 21210120202112 is an apocalyptic number.
1210120202112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1210120202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1677282647040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1210120202112 is a wasteful number, since it uses less digits than its factorization.
1210120202112 is an evil number, because the sum of its binary digits is even.
Adding to 1210120202112 its reverse (2112020210121), we get a palindrome (3322140412233).
The spelling of 1210120202112 in words is "one trillion, two hundred ten billion, one hundred twenty million, two hundred two thousand, one hundred twelve".