4012322344321 has 2 divisors, whose sum is σ = 4012322344322. Its totient is φ = 4012322344320.

The previous prime is 4012322344319. The next prime is 4012322344343. The reversal of 4012322344321 is 1234432232104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3589869143025 + 422453201296 = 1894695^2 + 649964^2 .

It is a cyclic number.

It is not a de Polignac number, because 4012322344321 - 2¹ = 4012322344319 is a prime.

Together with 4012322344319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4012322314321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006161172160 + 2006161172161.

It is an arithmetic number, because the mean of its divisors is an integer number (2006161172161).

Almost surely, 2^{4012322344321} is an apocalyptic number.

It is an amenable number.

4012322344321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4012322344321 is an equidigital number, since it uses as much as digits as its factorization.

4012322344321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 4012322344321 its reverse (1234432232104), we get a palindrome (5246754576425).

The spelling of 4012322344321 in words is "four trillion, twelve billion, three hundred twenty-two million, three hundred forty-four thousand, three hundred twenty-one".