12232440420 has 24 divisors (see below), whose sum is σ = 34250833344. Its totient is φ = 3261984096.

The previous prime is 12232440419. The next prime is 12232440427. The reversal of 12232440420 is 2404423221.

It is not an unprimeable number, because it can be changed into a prime (12232440427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101936944 + ... + 101937063.

It is an arithmetic number, because the mean of its divisors is an integer number (1427118056).

Almost surely, 2^12232440420 is an apocalyptic number.

12232440420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12232440420 is an abundant number, since it is smaller than the sum of its proper divisors (22018392924).

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

12232440420 is a wasteful number, since it uses less digits than its factorization.

12232440420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203874019 (or 203874017 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 12232440420 its reverse (2404423221), we get a palindrome (14636863641).

The spelling of 12232440420 in words is "twelve billion, two hundred thirty-two million, four hundred forty thousand, four hundred twenty".