321231000143112 has 64 divisors (see below), whose sum is σ = 811697384151360. Its totient is φ = 105929430240000.

The previous prime is 321231000143111. The next prime is 321231000143129. The reversal of 321231000143112 is 211341000132123.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (321231000143111) 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, 51685014 + ... + 57565637.

It is an arithmetic number, because the mean of its divisors is an integer number (12682771627365).

Almost surely, 2^{321231000143112} is an apocalyptic number.

It is an amenable number.

321231000143112 is an abundant number, since it is smaller than the sum of its proper divisors (490466384008248).

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

321231000143112 is a wasteful number, since it uses less digits than its factorization.

321231000143112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109251974 (or 109251970 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 321231000143112 its reverse (211341000132123), we get a palindrome (532572000275235).

The spelling of 321231000143112 in words is "three hundred twenty-one trillion, two hundred thirty-one billion, one hundred forty-three thousand, one hundred twelve".