1232513312 has 48 divisors (see below), whose sum is σ = 2483242272. Its totient is φ = 602012160.

The previous prime is 1232513309. The next prime is 1232513431. The reversal of 1232513312 is 2133152321.

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 in 7 ways as a sum of consecutive naturals, for example, 247487 + ... + 252417.

It is an arithmetic number, because the mean of its divisors is an integer number (51734214).

Almost surely, 2^1232513312 is an apocalyptic number.

It is an amenable number.

1232513312 is an abundant number, since it is smaller than the sum of its proper divisors (1250728960).

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

1232513312 is a wasteful number, since it uses less digits than its factorization.

1232513312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121 (or 5113 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 1232513312 is about 35107.1689545027. The cubic root of 1232513312 is about 1072.1705472327.

Adding to 1232513312 its reverse (2133152321), we get a palindrome (3365665633).

The spelling of 1232513312 in words is "one billion, two hundred thirty-two million, five hundred thirteen thousand, three hundred twelve".