3201112205 has 4 divisors (see below), whose sum is σ = 3841334652. Its totient is φ = 2560889760.

The previous prime is 3201112199. The next prime is 3201112219. The reversal of 3201112205 is 5022111023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5022111023 = 1427 ⋅3519349.

It can be written as a sum of positive squares in 2 ways, for example, as 2371787401 + 829324804 = 48701^2 + 28798^2 .

It is not a de Polignac number, because 3201112205 - 2⁶ = 3201112141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 320111216 + ... + 320111225.

It is an arithmetic number, because the mean of its divisors is an integer number (960333663).

Almost surely, 2^3201112205 is an apocalyptic number.

It is an amenable number.

3201112205 is a deficient number, since it is larger than the sum of its proper divisors (640222447).

3201112205 is an equidigital number, since it uses as much as digits as its factorization.

3201112205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640222446.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 3201112205 is about 56578.3722371013. The cubic root of 3201112205 is about 1473.7833046079.

Adding to 3201112205 its reverse (5022111023), we get a palindrome (8223223228).

The spelling of 3201112205 in words is "three billion, two hundred one million, one hundred twelve thousand, two hundred five".