321213023122000 has 80 divisors (see below), whose sum is σ = 810462354803712. Its totient is φ = 122898895785600.

The previous prime is 321213023121997. The next prime is 321213023122001. The reversal of 321213023122000 is 221320312123.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321213023122001) 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, 3491399904 + ... + 3491491903.

Almost surely, 2^{321213023122000} is an apocalyptic number.

It is an amenable number.

321213023122000 is an abundant number, since it is smaller than the sum of its proper divisors (489249331681712).

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

321213023122000 is a wasteful number, since it uses less digits than its factorization.

321213023122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6982891853 (or 6982891837 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 321213023122000 its reverse (221320312123), we get a palindrome (321434343434123).

The spelling of 321213023122000 in words is "three hundred twenty-one trillion, two hundred thirteen billion, twenty-three million, one hundred twenty-two thousand".