321013020000 has 120 divisors (see below), whose sum is σ = 1052987105016. Its totient is φ = 85603456000.

The previous prime is 321013019989. The next prime is 321013020017. The reversal of 321013020000 is 20310123.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2615109 + ... + 2735108.

Almost surely, 2^321013020000 is an apocalyptic number.

321013020000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321013020000 is an abundant number, since it is smaller than the sum of its proper divisors (731974085016).

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

321013020000 is an equidigital number, since it uses as much as digits as its factorization.

321013020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5350250 (or 5350227 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 321013020000 its reverse (20310123), we get a palindrome (321033330123).

The spelling of 321013020000 in words is "three hundred twenty-one billion, thirteen million, twenty thousand".