2012200305 has 16 divisors (see below), whose sum is σ = 3229255104. Its totient is φ = 1069928640.

The previous prime is 2012200249. The next prime is 2012200313. The reversal of 2012200305 is 5030022102.

It is not a de Polignac number, because 2012200305 - 2¹⁰ = 2012199281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197674 + ... + 207603.

It is an arithmetic number, because the mean of its divisors is an integer number (201828444).

Almost surely, 2^2012200305 is an apocalyptic number.

It is an amenable number.

2012200305 is a deficient number, since it is larger than the sum of its proper divisors (1217054799).

2012200305 is a wasteful number, since it uses less digits than its factorization.

2012200305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405616.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2012200305 is about 44857.5557180727. Note that the first 3 decimals coincide. The cubic root of 2012200305 is about 1262.4777616578.

Adding to 2012200305 its reverse (5030022102), we get a palindrome (7042222407).

The spelling of 2012200305 in words is "two billion, twelve million, two hundred thousand, three hundred five".