1200200312120 has 64 divisors (see below), whose sum is σ = 3009790288800. Its totient is φ = 428059054080.

The previous prime is 1200200312093. The next prime is 1200200312123. The reversal of 1200200312120 is 212130020021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1200200312095 and 1200200312104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200200312123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46434461 + ... + 46460300.

Almost surely, 2^{1200200312120} is an apocalyptic number.

1200200312120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200200312120 is an abundant number, since it is smaller than the sum of its proper divisors (1809589976680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200200312120 is a wasteful number, since it uses less digits than its factorization.

1200200312120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92894808 (or 92894804 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1200200312120 its reverse (212130020021), we get a palindrome (1412330332141).

The spelling of 1200200312120 in words is "one trillion, two hundred billion, two hundred million, three hundred twelve thousand, one hundred twenty".