1200112102200 has 96 divisors (see below), whose sum is σ = 4058560949760. Its totient is φ = 290936265600.

The previous prime is 1200112102181. The next prime is 1200112102201. The reversal of 1200112102200 is 22012110021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200112102201) 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 23 ways as a sum of consecutive naturals, for example, 90910984 + ... + 90924183.

It is an arithmetic number, because the mean of its divisors is an integer number (42276676560).

Almost surely, 2^{1200112102200} is an apocalyptic number.

1200112102200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200112102200 is an abundant number, since it is smaller than the sum of its proper divisors (2858448847560).

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

1200112102200 is a wasteful number, since it uses less digits than its factorization.

1200112102200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181835197 (or 181835188 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1200112102200 its reverse (22012110021), we get a palindrome (1222124212221).

The spelling of 1200112102200 in words is "one trillion, two hundred billion, one hundred twelve million, one hundred two thousand, two hundred".