1200203310200 has 24 divisors (see below), whose sum is σ = 2790472696680. Its totient is φ = 480081324000.

The previous prime is 1200203310181. The next prime is 1200203310253. The reversal of 1200203310200 is 20133020021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 3000508076 + ... + 3000508475.

It is an arithmetic number, because the mean of its divisors is an integer number (116269695695).

Almost surely, 2^{1200203310200} is an apocalyptic number.

1200203310200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200203310200 is an abundant number, since it is smaller than the sum of its proper divisors (1590269386480).

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

1200203310200 is a wasteful number, since it uses less digits than its factorization.

1200203310200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6001016567 (or 6001016558 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 1200203310200 its reverse (20133020021), we get a palindrome (1220336330221).

The spelling of 1200203310200 in words is "one trillion, two hundred billion, two hundred three million, three hundred ten thousand, two hundred".