1322123312 has 20 divisors (see below), whose sum is σ = 2569704576. Its totient is φ = 658973760.

The previous prime is 1322123293. The next prime is 1322123321. The reversal of 1322123312 is 2133212231.

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, 125264 + ... + 135407.

Almost surely, 2^1322123312 is an apocalyptic number.

It is an amenable number.

1322123312 is a deficient number, since it is larger than the sum of its proper divisors (1247581264).

1322123312 is a wasteful number, since it uses less digits than its factorization.

1322123312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260996 (or 260990 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 1322123312 is about 36361.0136272354. The cubic root of 1322123312 is about 1097.5491749664.

Adding to 1322123312 its reverse (2133212231), we get a palindrome (3455335543).

The spelling of 1322123312 in words is "one billion, three hundred twenty-two million, one hundred twenty-three thousand, three hundred twelve".