2012201313221 has 8 divisors (see below), whose sum is σ = 2222915145600. Its totient is φ = 1806118554240.

The previous prime is 2012201313217. The next prime is 2012201313233. The reversal of 2012201313221 is 1223131022102.

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

It is not a de Polignac number, because 2012201313221 - 2² = 2012201313217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2012201313193 and 2012201313202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012201313821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157767436 + ... + 1157769173.

It is an arithmetic number, because the mean of its divisors is an integer number (277864393200).

Almost surely, 2^{2012201313221} is an apocalyptic number.

It is an amenable number.

2012201313221 is a deficient number, since it is larger than the sum of its proper divisors (210713832379).

2012201313221 is a wasteful number, since it uses less digits than its factorization.

2012201313221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315536699.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2012201313221 its reverse (1223131022102), we get a palindrome (3235332335323).

The spelling of 2012201313221 in words is "two trillion, twelve billion, two hundred one million, three hundred thirteen thousand, two hundred twenty-one".