2012012200221 has 32 divisors (see below), whose sum is σ = 2870671265280. Its totient is φ = 1249694308800.

The previous prime is 2012012200169. The next prime is 2012012200223. The reversal of 2012012200221 is 1220022102102.

It is not a de Polignac number, because 2012012200221 - 2¹⁷ = 2012012069149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2012012200221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012012200223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21130906 + ... + 21225908.

It is an arithmetic number, because the mean of its divisors is an integer number (89708477040).

Almost surely, 2^{2012012200221} is an apocalyptic number.

It is an amenable number.

2012012200221 is a deficient number, since it is larger than the sum of its proper divisors (858659065059).

2012012200221 is a wasteful number, since it uses less digits than its factorization.

2012012200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101177.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2012012200221 its reverse (1220022102102), we get a palindrome (3232034302323).

The spelling of 2012012200221 in words is "two trillion, twelve billion, twelve million, two hundred thousand, two hundred twenty-one".