1232512320 has 224 divisors, whose sum is σ = 4285975680. Its totient is φ = 298229760.

The previous prime is 1232512289. The next prime is 1232512373. The reversal of 1232512320 is 232152321.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 760471 + ... + 762089.

It is an arithmetic number, because the mean of its divisors is an integer number (19133820).

Almost surely, 2^1232512320 is an apocalyptic number.

1232512320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232512320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2142987840).

1232512320 is an abundant number, since it is smaller than the sum of its proper divisors (3053463360).

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

1232512320 is a wasteful number, since it uses less digits than its factorization.

1232512320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713 (or 1703 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1232512320 is about 35107.1548263313. The cubic root of 1232512320 is about 1072.1702595838.

Adding to 1232512320 its reverse (232152321), we get a palindrome (1464664641).

The spelling of 1232512320 in words is "one billion, two hundred thirty-two million, five hundred twelve thousand, three hundred twenty".