1322312020321 has 8 divisors (see below), whose sum is σ = 1336743742824. Its totient is φ = 1307906563200.

The previous prime is 1322312020261. The next prime is 1322312020327. The reversal of 1322312020321 is 1230202132231.

It can be written as a sum of positive squares in 4 ways, for example, as 972955368225 + 349356652096 = 986385^2 + 591064^2 .

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 1322312020321 - 2⁷ = 1322312020193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322312020292 and 1322312020301.

It is not an unprimeable number, because it can be changed into a prime (1322312020327) 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, 6465100 + ... + 6666493.

It is an arithmetic number, because the mean of its divisors is an integer number (167092967853).

Almost surely, 2^{1322312020321} is an apocalyptic number.

It is an amenable number.

1322312020321 is a deficient number, since it is larger than the sum of its proper divisors (14431722503).

1322312020321 is a wasteful number, since it uses less digits than its factorization.

1322312020321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13132691.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1322312020321 its reverse (1230202132231), we get a palindrome (2552514152552).

The spelling of 1322312020321 in words is "one trillion, three hundred twenty-two billion, three hundred twelve million, twenty thousand, three hundred twenty-one".