321023321012 has 12 divisors (see below), whose sum is σ = 561797564160. Its totient is φ = 160509731256.

The previous prime is 321023321011. The next prime is 321023321027. The reversal of 321023321012 is 210123320123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321023321011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68462 + ... + 804197.

It is an arithmetic number, because the mean of its divisors is an integer number (46816463680).

Almost surely, 2^321023321012 is an apocalyptic number.

It is an amenable number.

321023321012 is a deficient number, since it is larger than the sum of its proper divisors (240774243148).

321023321012 is a wasteful number, since it uses less digits than its factorization.

321023321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964630 (or 964628 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 321023321012 its reverse (210123320123), we get a palindrome (531146641135).

The spelling of 321023321012 in words is "three hundred twenty-one billion, twenty-three million, three hundred twenty-one thousand, twelve".