Adding to 1213433102040 its reverse (402013343121), we get a palindrome (1615446445161).
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 1213433102040.
It is a congruent number.
It is an unprimeable number.
Almost surely, 21213433102040 is an apocalyptic number.
1213433102040 is a gapful number since it is divisible by the number (10) 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.
1213433102040 is a wasteful number, since it uses less digits than its factorization.
1213433102040 is an odious number, because the sum of its binary digits is odd.
The spelling of 1213433102040 in words is "one trillion, two hundred thirteen billion, four hundred thirty-three million, one hundred two thousand, forty".