2012002012221 has 8 divisors (see below), whose sum is σ = 2682685129824. Its totient is φ = 1341326784720.

The previous prime is 2012002012219. The next prime is 2012002012243. The reversal of 2012002012221 is 1222102002102.

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

It is not a de Polignac number, because 2012002012221 - 2¹ = 2012002012219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2012002012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012002012261) 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, 1349395 + ... + 2417616.

It is an arithmetic number, because the mean of its divisors is an integer number (335335641228).

Almost surely, 2^{2012002012221} is an apocalyptic number.

It is an amenable number.

2012002012221 is a deficient number, since it is larger than the sum of its proper divisors (670683117603).

2012002012221 is a wasteful number, since it uses less digits than its factorization.

2012002012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945051.

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

Adding to 2012002012221 its reverse (1222102002102), we get a palindrome (3234104014323).

The spelling of 2012002012221 in words is "two trillion, twelve billion, two million, twelve thousand, two hundred twenty-one".