1200112203 has 8 divisors (see below), whose sum is σ = 1600318528. Its totient is φ = 799990344.

The previous prime is 1200112183. The next prime is 1200112237. The reversal of 1200112203 is 3022110021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1200112203 - 2⁵ = 1200112171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200112003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29100 + ... + 56982.

It is an arithmetic number, because the mean of its divisors is an integer number (200039816).

Almost surely, 2^1200112203 is an apocalyptic number.

1200112203 is a deficient number, since it is larger than the sum of its proper divisors (400206325).

1200112203 is a wasteful number, since it uses less digits than its factorization.

1200112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42233.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1200112203 is about 34642.6356243286. The cubic root of 1200112203 is about 1062.6916885613.

Adding to 1200112203 its reverse (3022110021), we get a palindrome (4222222224).

The spelling of 1200112203 in words is "one billion, two hundred million, one hundred twelve thousand, two hundred three".