12022422021 has 12 divisors (see below), whose sum is σ = 17366787360. Its totient is φ = 8014455720.

The previous prime is 12022421993. The next prime is 12022422047.

12022422021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12022422021 - 2¹³ = 12022413829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12022421985 and 12022422003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022422421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171690 + ... + 231348.

It is an arithmetic number, because the mean of its divisors is an integer number (1447232280).

Almost surely, 2^12022422021 is an apocalyptic number.

It is an amenable number.

12022422021 is a deficient number, since it is larger than the sum of its proper divisors (5344365339).

12022422021 is a wasteful number, since it uses less digits than its factorization.

12022422021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82056 (or 82053 counting only the distinct ones).

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

The spelling of 12022422021 in words is "twelve billion, twenty-two million, four hundred twenty-two thousand, twenty-one".