321210343122 has 32 divisors (see below), whose sum is σ = 688405459392. Its totient is φ = 99557750784.

The previous prime is 321210343117. The next prime is 321210343147. The reversal of 321210343122 is 221343012123.

It is a junction number, because it is equal to n+sod(n) for n = 321210343092 and 321210343101.

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, 18962143 + ... + 18979074.

It is an arithmetic number, because the mean of its divisors is an integer number (21512670606).

Almost surely, 2^321210343122 is an apocalyptic number.

321210343122 is an abundant number, since it is smaller than the sum of its proper divisors (367195116270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321210343122 is a wasteful number, since it uses less digits than its factorization.

321210343122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37941322.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 321210343122 its reverse (221343012123), we get a palindrome (542553355245).

The spelling of 321210343122 in words is "three hundred twenty-one billion, two hundred ten million, three hundred forty-three thousand, one hundred twenty-two".