12232020320 has 96 divisors (see below), whose sum is σ = 31209675840. Its totient is φ = 4503582720.

The previous prime is 12232020301. The next prime is 12232020349. The reversal of 12232020320 is 2302023221.

It is a super-2 number, since 2×12232020320² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 738530 + ... + 754910.

It is an arithmetic number, because the mean of its divisors is an integer number (325100790).

Almost surely, 2^12232020320 is an apocalyptic number.

12232020320 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 12232020320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15604837920).

12232020320 is an abundant number, since it is smaller than the sum of its proper divisors (18977655520).

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

12232020320 is a wasteful number, since it uses less digits than its factorization.

12232020320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16768 (or 16760 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 12232020320 its reverse (2302023221), we get a palindrome (14534043541).

The spelling of 12232020320 in words is "twelve billion, two hundred thirty-two million, twenty thousand, three hundred twenty".