12222120022021 has 32 divisors (see below), whose sum is σ = 15112478545920. Its totient is φ = 9625353183936.

The previous prime is 12222120021989. The next prime is 12222120022039. The reversal of 12222120022021 is 12022002122221.

12222120022021 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 12222120022021 - 2⁵ = 12222120021989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12222120022021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222120022061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89314470 + ... + 89451208.

It is an arithmetic number, because the mean of its divisors is an integer number (472264954560).

Almost surely, 2^{12222120022021} is an apocalyptic number.

It is an amenable number.

12222120022021 is a deficient number, since it is larger than the sum of its proper divisors (2890358523899).

12222120022021 is a wasteful number, since it uses less digits than its factorization.

12222120022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141313.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12222120022021 its reverse (12022002122221), we get a palindrome (24244122144242).

The spelling of 12222120022021 in words is "twelve trillion, two hundred twenty-two billion, one hundred twenty million, twenty-two thousand, twenty-one".