321210120001322 has 32 divisors (see below), whose sum is σ = 482484146869200. Its totient is φ = 160382275941888.

The previous prime is 321210120001321. The next prime is 321210120001357. The reversal of 321210120001322 is 223100021012123.

It can be written as a sum of positive squares in 8 ways, for example, as 310803889196161 + 10406230805161 = 17629631^2 + 3225869^2 .

It is a junction number, because it is equal to n+sod(n) for n = 321210120001294 and 321210120001303.

It is not an unprimeable number, because it can be changed into a prime (321210120001321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41238938204 + ... + 41238945992.

Almost surely, 2^{321210120001322} is an apocalyptic number.

321210120001322 is a deficient number, since it is larger than the sum of its proper divisors (161274026867878).

321210120001322 is a wasteful number, since it uses less digits than its factorization.

321210120001322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17610.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 321210120001322 its reverse (223100021012123), we get a palindrome (544310141013445).

The spelling of 321210120001322 in words is "three hundred twenty-one trillion, two hundred ten billion, one hundred twenty million, one thousand, three hundred twenty-two".