2012200221 has 8 divisors (see below), whose sum is σ = 2683239424. Its totient is φ = 1341313920.

The previous prime is 2012200219. The next prime is 2012200243. The reversal of 2012200221 is 1220022102.

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

It is not a de Polignac number, because 2012200221 - 2¹ = 2012200219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012200197 and 2012200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012200321) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2836 + ... + 63501.

It is an arithmetic number, because the mean of its divisors is an integer number (335404928).

Almost surely, 2^2012200221 is an apocalyptic number.

It is an amenable number.

2012200221 is a deficient number, since it is larger than the sum of its proper divisors (671039203).

2012200221 is a wasteful number, since it uses less digits than its factorization.

2012200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76451.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2012200221 is about 44857.5547817756. The cubic root of 2012200221 is about 1262.4777440902.

Adding to 2012200221 its reverse (1220022102), we get a palindrome (3232222323).

The spelling of 2012200221 in words is "two billion, twelve million, two hundred thousand, two hundred twenty-one".