12002422321 has 2 divisors, whose sum is σ = 12002422322. Its totient is φ = 12002422320.

The previous prime is 12002422319. The next prime is 12002422339. The reversal of 12002422321 is 12322420021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6087120400 + 5915301921 = 78020^2 + 76911^2 .

It is a cyclic number.

It is not a de Polignac number, because 12002422321 - 2¹ = 12002422319 is a prime.

Together with 12002422319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12002422301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001211160 + 6001211161.

It is an arithmetic number, because the mean of its divisors is an integer number (6001211161).

Almost surely, 2^12002422321 is an apocalyptic number.

It is an amenable number.

12002422321 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002422321 is an equidigital number, since it uses as much as digits as its factorization.

12002422321 is an evil number, because the sum of its binary digits is even.

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

Adding to 12002422321 its reverse (12322420021), we get a palindrome (24324842342).

The spelling of 12002422321 in words is "twelve billion, two million, four hundred twenty-two thousand, three hundred twenty-one".