12022120020021 has 8 divisors (see below), whose sum is σ = 16029574691424. Its totient is φ = 8014706014320.

The previous prime is 12022120020019. The next prime is 12022120020073. The reversal of 12022120020021 is 12002002122021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12022120020021 - 2¹ = 12022120020019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022120020121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9469795 + ... + 10664016.

It is an arithmetic number, because the mean of its divisors is an integer number (2003696836428).

Almost surely, 2^{12022120020021} is an apocalyptic number.

It is an amenable number.

12022120020021 is a deficient number, since it is larger than the sum of its proper divisors (4007454671403).

12022120020021 is a wasteful number, since it uses less digits than its factorization.

12022120020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20332851.

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

Adding to 12022120020021 its reverse (12002002122021), we get a palindrome (24024122142042).

The spelling of 12022120020021 in words is "twelve trillion, twenty-two billion, one hundred twenty million, twenty thousand, twenty-one".