321231000112 has 40 divisors (see below), whose sum is σ = 680675911632. Its totient is φ = 145646265600.

The previous prime is 321231000091. The next prime is 321231000119. The reversal of 321231000112 is 211000132123.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (321231000119) 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, 2228839 + ... + 2368582.

Almost surely, 2^321231000112 is an apocalyptic number.

It is an amenable number.

321231000112 is an abundant number, since it is smaller than the sum of its proper divisors (359444911520).

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

321231000112 is a wasteful number, since it uses less digits than its factorization.

321231000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4597837 (or 4597831 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 321231000112 its reverse (211000132123), we get a palindrome (532231132235).

The spelling of 321231000112 in words is "three hundred twenty-one billion, two hundred thirty-one million, one hundred twelve", and thus it is an aban number.