321205045032 has 48 divisors (see below), whose sum is σ = 870071604480. Its totient is φ = 107050960800.

The previous prime is 321205045027. The next prime is 321205045033. The reversal of 321205045032 is 230540502123.

It is a happy number.

321205045032 is a `hidden beast` number, since 3 + 2 + 1 + 205 + 0 + 450 + 3 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 321205044987 and 321205045005.

It is not an unprimeable number, because it can be changed into a prime (321205045033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88057 + ... + 806327.

It is an arithmetic number, because the mean of its divisors is an integer number (18126491760).

Almost surely, 2^321205045032 is an apocalyptic number.

It is an amenable number.

321205045032 is an abundant number, since it is smaller than the sum of its proper divisors (548866559448).

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

321205045032 is a wasteful number, since it uses less digits than its factorization.

321205045032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724494 (or 724487 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 321205045032 its reverse (230540502123), we get a palindrome (551745547155).

The spelling of 321205045032 in words is "three hundred twenty-one billion, two hundred five million, forty-five thousand, thirty-two".