12022002020021 has 8 divisors (see below), whose sum is σ = 14547632696640. Its totient is φ = 9698421797568.

The previous prime is 12022002020009. The next prime is 12022002020027. The reversal of 12022002020021 is 12002020022021.

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

It is not a de Polignac number, because 12022002020021 - 2¹⁰ = 12022002018997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12022002019978 and 12022002020005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022002020027) 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, 50512613411 + ... + 50512613648.

It is an arithmetic number, because the mean of its divisors is an integer number (1818454087080).

Almost surely, 2^{12022002020021} is an apocalyptic number.

It is an amenable number.

12022002020021 is a deficient number, since it is larger than the sum of its proper divisors (2525630676619).

12022002020021 is a wasteful number, since it uses less digits than its factorization.

12022002020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101025227083.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12022002020021 its reverse (12002020022021), we get a palindrome (24024022042042).

The spelling of 12022002020021 in words is "twelve trillion, twenty-two billion, two million, twenty thousand, twenty-one".