321112132 has 36 divisors (see below), whose sum is σ = 627779376. Its totient is φ = 142529520.

The previous prime is 321112093. The next prime is 321112151. The reversal of 321112132 is 231211123.

It is a super-2 number, since 2×321112132² = 206226002635170848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79383 + ... + 83329.

It is an arithmetic number, because the mean of its divisors is an integer number (17438316).

Almost surely, 2^321112132 is an apocalyptic number.

It is an amenable number.

321112132 is a deficient number, since it is larger than the sum of its proper divisors (306667244).

321112132 is a wasteful number, since it uses less digits than its factorization.

321112132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048 (or 4003 counting only the distinct ones).

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

The square root of 321112132 is about 17919.6018928993. The cubic root of 321112132 is about 684.7818453904.

Adding to 321112132 its reverse (231211123), we get a palindrome (552323255).

It can be divided in two parts, 32111 and 2132, that added together give a palindrome (34243).

The spelling of 321112132 in words is "three hundred twenty-one million, one hundred twelve thousand, one hundred thirty-two".