12232330320 has 160 divisors (see below), whose sum is σ = 44394658560. Its totient is φ = 2727751680.

The previous prime is 12232330307. The next prime is 12232330333. The reversal of 12232330320 is 2303323221.

It is an interprime number because it is at equal distance from previous prime (12232330307) and next prime (12232330333).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19915 + ... + 157674.

It is an arithmetic number, because the mean of its divisors is an integer number (277466616).

Almost surely, 2^12232330320 is an apocalyptic number.

12232330320 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 12232330320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22197329280).

12232330320 is an abundant number, since it is smaller than the sum of its proper divisors (32162328240).

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

12232330320 is a wasteful number, since it uses less digits than its factorization.

12232330320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177653 (or 177647 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 12232330320 its reverse (2303323221), we get a palindrome (14535653541).

The spelling of 12232330320 in words is "twelve billion, two hundred thirty-two million, three hundred thirty thousand, three hundred twenty".