12222020022021 has 16 divisors (see below), whose sum is σ = 18107996627520. Its totient is φ = 8147428213680.

The previous prime is 12222020022001. The next prime is 12222020022139. The reversal of 12222020022021 is 12022002022221.

12222020022021 is a `hidden beast` number, since 1 + 2 + 2 + 220 + 200 + 220 + 21 = 666.

12222020022021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12222020022021 - 2³³ = 12213430087429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12222020021985 and 12222020022003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222020022001) 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, 15870630 + ... + 16622903.

It is an arithmetic number, because the mean of its divisors is an integer number (1131749789220).

Almost surely, 2^{12222020022021} is an apocalyptic number.

It is an amenable number.

12222020022021 is a deficient number, since it is larger than the sum of its proper divisors (5885976605499).

12222020022021 is a wasteful number, since it uses less digits than its factorization.

12222020022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32507473 (or 32507467 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12222020022021 its reverse (12022002022221), we get a palindrome (24244022044242).

It can be divided in two parts, 122220200 and 22021, that added together give a palindrome (122242221).

The spelling of 12222020022021 in words is "twelve trillion, two hundred twenty-two billion, twenty million, twenty-two thousand, twenty-one".