It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
Almost surely, 212120211001110 is an apocalyptic number.
12120211001110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12120211001110 is a wasteful number, since it uses less digits than its factorization.
12120211001110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1212021100118.
Adding to 12120211001110 its reverse (1110011202121), we get a palindrome (13230222203231).
The spelling of 12120211001110 in words is "twelve trillion, one hundred twenty billion, two hundred eleven million, one thousand, one hundred ten".