12022320421 has 8 divisors (see below), whose sum is σ = 12377388320. Its totient is φ = 11670683472.

The previous prime is 12022320419. The next prime is 12022320439. The reversal of 12022320421 is 12402322021.

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

It is a cyclic number.

It is not a de Polignac number, because 12022320421 - 2¹ = 12022320419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022320221) 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, 850626 + ... + 864643.

It is an arithmetic number, because the mean of its divisors is an integer number (1547173540).

Almost surely, 2^12022320421 is an apocalyptic number.

It is an amenable number.

12022320421 is a deficient number, since it is larger than the sum of its proper divisors (355067899).

12022320421 is a wasteful number, since it uses less digits than its factorization.

12022320421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715475.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12022320421 its reverse (12402322021), we get a palindrome (24424642442).

The spelling of 12022320421 in words is "twelve billion, twenty-two million, three hundred twenty thousand, four hundred twenty-one".