1200512203 has 8 divisors (see below), whose sum is σ = 1326228480. Its totient is φ = 1077559080.

The previous prime is 1200512191. The next prime is 1200512213. The reversal of 1200512203 is 3022150021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200512203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200512213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689875 + ... + 691612.

It is an arithmetic number, because the mean of its divisors is an integer number (165778560).

Almost surely, 2^1200512203 is an apocalyptic number.

1200512203 is a deficient number, since it is larger than the sum of its proper divisors (125716277).

1200512203 is a wasteful number, since it uses less digits than its factorization.

1200512203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381577.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1200512203 is about 34648.4083761433. The cubic root of 1200512203 is about 1062.8097412614.

Adding to 1200512203 its reverse (3022150021), we get a palindrome (4222662224).

The spelling of 1200512203 in words is "one billion, two hundred million, five hundred twelve thousand, two hundred three".