12202012200021 has 32 divisors (see below), whose sum is σ = 18720408096000. Its totient is φ = 6925014151680.

The previous prime is 12202012199989. The next prime is 12202012200109. The reversal of 12202012200021 is 12000221020221.

It is not a de Polignac number, because 12202012200021 - 2⁵ = 12202012199989 is a prime.

It is a super-2 number, since 2×12202012200021² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202012200421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28603231 + ... + 29026691.

It is an arithmetic number, because the mean of its divisors is an integer number (585012753000).

Almost surely, 2^{12202012200021} is an apocalyptic number.

It is an amenable number.

12202012200021 is a deficient number, since it is larger than the sum of its proper divisors (6518395895979).

12202012200021 is a wasteful number, since it uses less digits than its factorization.

12202012200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432829.

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

Adding to 12202012200021 its reverse (12000221020221), we get a palindrome (24202233220242).

The spelling of 12202012200021 in words is "twelve trillion, two hundred two billion, twelve million, two hundred thousand, twenty-one".