321112196 has 12 divisors (see below), whose sum is σ = 577134348. Its totient is φ = 156216672.

The previous prime is 321112189. The next prime is 321112219. The reversal of 321112196 is 691211123.

It can be written as a sum of positive squares in 2 ways, for example, as 139240000 + 181872196 = 11800^2 + 13486^2 .

It is a super-2 number, since 2×321112196² = 206226084839884832, 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 3 ways as a sum of consecutive naturals, for example, 1084691 + ... + 1084986.

It is an arithmetic number, because the mean of its divisors is an integer number (48094529).

Almost surely, 2^321112196 is an apocalyptic number.

It is an amenable number.

321112196 is a deficient number, since it is larger than the sum of its proper divisors (256022152).

321112196 is a wasteful number, since it uses less digits than its factorization.

321112196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169718 (or 2169716 counting only the distinct ones).

The product of its digits is 648, while the sum is 26.

The square root of 321112196 is about 17919.6036786532. The cubic root of 321112196 is about 684.7818908844.

The spelling of 321112196 in words is "three hundred twenty-one million, one hundred twelve thousand, one hundred ninety-six".