12232124040 has 128 divisors (see below), whose sum is σ = 38486016000. Its totient is φ = 3104259840.

The previous prime is 12232124011. The next prime is 12232124077. The reversal of 12232124040 is 4042123221.

It is a junction number, because it is equal to n+sod(n) for n = 12232123998 and 12232124016.

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, 538105 + ... + 560375.

It is an arithmetic number, because the mean of its divisors is an integer number (300672000).

Almost surely, 2^12232124040 is an apocalyptic number.

12232124040 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 12232124040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19243008000).

12232124040 is an abundant number, since it is smaller than the sum of its proper divisors (26253891960).

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

12232124040 is a wasteful number, since it uses less digits than its factorization.

12232124040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22507 (or 22503 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12232124040 its reverse (4042123221), we get a palindrome (16274247261).

The spelling of 12232124040 in words is "twelve billion, two hundred thirty-two million, one hundred twenty-four thousand, forty".