321300123312 has 80 divisors (see below), whose sum is σ = 948679852032. Its totient is φ = 91792343040.

The previous prime is 321300123229. The next prime is 321300123323. The reversal of 321300123312 is 213321003123.

It is a super-4 number, since 4×321300123312⁴ (a number of 47 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4869808 + ... + 4935344.

Almost surely, 2^321300123312 is an apocalyptic number.

It is an amenable number.

321300123312 is an abundant number, since it is smaller than the sum of its proper divisors (627379728720).

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

321300123312 is a wasteful number, since it uses less digits than its factorization.

321300123312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80146 (or 80140 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 321300123312 its reverse (213321003123), we get a palindrome (534621126435).

The spelling of 321300123312 in words is "three hundred twenty-one billion, three hundred million, one hundred twenty-three thousand, three hundred twelve".