12332131220 has 48 divisors (see below), whose sum is σ = 26303874240. Its totient is φ = 4855555584.

The previous prime is 12332131183. The next prime is 12332131223. The reversal of 12332131220 is 2213123321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12332131192 and 12332131201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12332131223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2378591 + ... + 2383769.

It is an arithmetic number, because the mean of its divisors is an integer number (547997380).

Almost surely, 2^12332131220 is an apocalyptic number.

12332131220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12332131220 is an abundant number, since it is smaller than the sum of its proper divisors (13971743020).

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

12332131220 is a wasteful number, since it uses less digits than its factorization.

12332131220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7032 (or 7030 counting only the distinct ones).

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

Adding to 12332131220 its reverse (2213123321), we get a palindrome (14545254541).

The spelling of 12332131220 in words is "twelve billion, three hundred thirty-two million, one hundred thirty-one thousand, two hundred twenty".