12232124240 has 160 divisors (see below), whose sum is σ = 34901051904. Its totient is φ = 3891363840.

The previous prime is 12232124221. The next prime is 12232124297. The reversal of 12232124240 is 4242123221.

12232124240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 666872 + ... + 684968.

Almost surely, 2^12232124240 is an apocalyptic number.

12232124240 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 12232124240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17450525952).

12232124240 is an abundant number, since it is smaller than the sum of its proper divisors (22668927664).

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

12232124240 is a wasteful number, since it uses less digits than its factorization.

12232124240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18205 (or 18199 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12232124240 its reverse (4242123221), we get a palindrome (16474247461).

The spelling of 12232124240 in words is "twelve billion, two hundred thirty-two million, one hundred twenty-four thousand, two hundred forty".