12022102121021 has 4 divisors (see below), whose sum is σ = 12024909060192. Its totient is φ = 12019295181852.

The previous prime is 12022102120993. The next prime is 12022102121089. The reversal of 12022102121021 is 12012120122021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12022102121021 - 2⁶ = 12022102120957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022102621021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1403463161 + ... + 1403471726.

It is an arithmetic number, because the mean of its divisors is an integer number (3006227265048).

Almost surely, 2^{12022102121021} is an apocalyptic number.

It is an amenable number.

12022102121021 is a deficient number, since it is larger than the sum of its proper divisors (2806939171).

12022102121021 is an equidigital number, since it uses as much as digits as its factorization.

12022102121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806939170.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12022102121021 its reverse (12012120122021), we get a palindrome (24034222243042).

The spelling of 12022102121021 in words is "twelve trillion, twenty-two billion, one hundred two million, one hundred twenty-one thousand, twenty-one".