321102123312 has 40 divisors (see below), whose sum is σ = 829887580720. Its totient is φ = 106985813760.

The previous prime is 321102123301. The next prime is 321102123313. The reversal of 321102123312 is 213321201123.

It is not an unprimeable number, because it can be changed into a prime (321102123313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1399387 + ... + 1612602.

It is an arithmetic number, because the mean of its divisors is an integer number (20747189518).

Almost surely, 2^321102123312 is an apocalyptic number.

It is an amenable number.

321102123312 is an abundant number, since it is smaller than the sum of its proper divisors (508785457408).

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

321102123312 is a wasteful number, since it uses less digits than its factorization.

321102123312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014221 (or 3014215 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 321102123312 its reverse (213321201123), we get a palindrome (534423324435).

The spelling of 321102123312 in words is "three hundred twenty-one billion, one hundred two million, one hundred twenty-three thousand, three hundred twelve".