12002022322321 has 4 divisors (see below), whose sum is σ = 12078468324532. Its totient is φ = 11925576320112.

The previous prime is 12002022322319. The next prime is 12002022322349. The reversal of 12002022322321 is 12322322020021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5205077983296 + 6796944339025 = 2281464^2 + 2607095^2 .

It is a cyclic number.

It is not a de Polignac number, because 12002022322321 - 2¹ = 12002022322319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12002022322292 and 12002022322301.

It is not an unprimeable number, because it can be changed into a prime (12002022322351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38223000870 + ... + 38223001183.

It is an arithmetic number, because the mean of its divisors is an integer number (3019617081133).

Almost surely, 2^{12002022322321} is an apocalyptic number.

It is an amenable number.

12002022322321 is a deficient number, since it is larger than the sum of its proper divisors (76446002211).

12002022322321 is an equidigital number, since it uses as much as digits as its factorization.

12002022322321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76446002210.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12002022322321 its reverse (12322322020021), we get a palindrome (24324344342342).

The spelling of 12002022322321 in words is "twelve trillion, two billion, twenty-two million, three hundred twenty-two thousand, three hundred twenty-one".