323012221021 has 16 divisors (see below), whose sum is σ = 381936412800. Its totient is φ = 267285428928.

The previous prime is 323012221019. The next prime is 323012221039. The reversal of 323012221021 is 120122210323.

It is not a de Polignac number, because 323012221021 - 2¹ = 323012221019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 323012221021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323012221121) by changing a digit.

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, 1510110 + ... + 1710688.

It is an arithmetic number, because the mean of its divisors is an integer number (23871025800).

Almost surely, 2^323012221021 is an apocalyptic number.

It is an amenable number.

323012221021 is a deficient number, since it is larger than the sum of its proper divisors (58924191779).

323012221021 is a wasteful number, since it uses less digits than its factorization.

323012221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208548.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 323012221021 its reverse (120122210323), we get a palindrome (443134431344).

The spelling of 323012221021 in words is "three hundred twenty-three billion, twelve million, two hundred twenty-one thousand, twenty-one".