12002122200021 has 16 divisors (see below), whose sum is σ = 16257543398784. Its totient is φ = 7874537589504.

The previous prime is 12002122200007. The next prime is 12002122200053. The reversal of 12002122200021 is 12000222120021.

It is not a de Polignac number, because 12002122200021 - 2⁵ = 12002122199989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002122200121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59860761 + ... + 60060926.

It is an arithmetic number, because the mean of its divisors is an integer number (1016096462424).

Almost surely, 2^{12002122200021} is an apocalyptic number.

It is an amenable number.

12002122200021 is a deficient number, since it is larger than the sum of its proper divisors (4255421198763).

12002122200021 is a wasteful number, since it uses less digits than its factorization.

12002122200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119922220.

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

Adding to 12002122200021 its reverse (12000222120021), we get a palindrome (24002344320042).

The spelling of 12002122200021 in words is "twelve trillion, two billion, one hundred twenty-two million, two hundred thousand, twenty-one".