321321404123122 has 16 divisors (see below), whose sum is σ = 549590455921752. Its totient is φ = 139578528487680.

The previous prime is 321321404123099. The next prime is 321321404123201. The reversal of 321321404123122 is 221321404123123.

It can be written as a sum of positive squares in 4 ways, for example, as 259122455592961 + 62198948530161 = 16097281^2 + 7886631^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363485750829 + ... + 363485751712.

Almost surely, 2^{321321404123122} is an apocalyptic number.

321321404123122 is a deficient number, since it is larger than the sum of its proper divisors (228269051798630).

321321404123122 is a wasteful number, since it uses less digits than its factorization.

321321404123122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726971502573.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 321321404123122 its reverse (221321404123123), we get a palindrome (542642808246245).

Subtracting from 321321404123122 its reverse (221321404123123), we obtain a palindrome (99999999999999).

The spelling of 321321404123122 in words is "three hundred twenty-one trillion, three hundred twenty-one billion, four hundred four million, one hundred twenty-three thousand, one hundred twenty-two".