1200113210203 has 4 divisors (see below), whose sum is σ = 1200288851928. Its totient is φ = 1199937568480.

The previous prime is 1200113210183. The next prime is 1200113210207. The reversal of 1200113210203 is 3020123110021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1200113210203 - 2²¹ = 1200111113051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200113210207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87810613 + ... + 87824278.

It is an arithmetic number, because the mean of its divisors is an integer number (300072212982).

Almost surely, 2^{1200113210203} is an apocalyptic number.

1200113210203 is a deficient number, since it is larger than the sum of its proper divisors (175641725).

1200113210203 is an equidigital number, since it uses as much as digits as its factorization.

1200113210203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175641724.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1200113210203 its reverse (3020123110021), we get a palindrome (4220236320224).

The spelling of 1200113210203 in words is "one trillion, two hundred billion, one hundred thirteen million, two hundred ten thousand, two hundred three".