122321312 has 12 divisors (see below), whose sum is σ = 240820146. Its totient is φ = 61160640.

The previous prime is 122321299. The next prime is 122321323. The reversal of 122321312 is 213123221.

It can be written as a sum of positive squares in only one way, i.e., 94400656 + 27920656 = 9716^2 + 5284^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1911239 + ... + 1911302.

Almost surely, 2^122321312 is an apocalyptic number.

It is an amenable number.

122321312 is a deficient number, since it is larger than the sum of its proper divisors (118498834).

122321312 is an equidigital number, since it uses as much as digits as its factorization.

122321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822551 (or 3822543 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 122321312 is about 11059.8965637116. The cubic root of 122321312 is about 496.4025954343.

Adding to 122321312 its reverse (213123221), we get a palindrome (335444533).

The spelling of 122321312 in words is "one hundred twenty-two million, three hundred twenty-one thousand, three hundred twelve".