321223322125 has 16 divisors (see below), whose sum is σ = 400950956016. Its totient is φ = 256937472000.

The previous prime is 321223322107. The next prime is 321223322137. The reversal of 321223322125 is 521223322123.

It can be written as a sum of positive squares in 8 ways, for example, as 206056076356 + 115167245769 = 453934^2 + 339363^2 .

It is not a de Polignac number, because 321223322125 - 2²³ = 321214933517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321223322093 and 321223322102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589365 + ... + 994885.

It is an arithmetic number, because the mean of its divisors is an integer number (25059434751).

Almost surely, 2^321223322125 is an apocalyptic number.

It is an amenable number.

321223322125 is a deficient number, since it is larger than the sum of its proper divisors (79727633891).

321223322125 is an equidigital number, since it uses as much as digits as its factorization.

321223322125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411873 (or 411863 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

Adding to 321223322125 its reverse (521223322123), we get a palindrome (842446644248).

The spelling of 321223322125 in words is "three hundred twenty-one billion, two hundred twenty-three million, three hundred twenty-two thousand, one hundred twenty-five".