12124532455424 has 48 divisors (see below), whose sum is σ = 24249309280560. Its totient is φ = 6060724715520.

The previous prime is 12124532455423. The next prime is 12124532455439. The reversal of 12124532455424 is 42455423542121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12124532455423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7324544 + ... + 8825984.

It is an arithmetic number, because the mean of its divisors is an integer number (505193943345).

Almost surely, 2^{12124532455424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12124532455424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12124654640280).

12124532455424 is an abundant number, since it is smaller than the sum of its proper divisors (12124776825136).

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

12124532455424 is an equidigital number, since it uses as much as digits as its factorization.

12124532455424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505406 (or 1505386 counting only the distinct ones).

The product of its digits is 1536000, while the sum is 44.

Adding to 12124532455424 its reverse (42455423542121), we get a palindrome (54579955997545).

The spelling of 12124532455424 in words is "twelve trillion, one hundred twenty-four billion, five hundred thirty-two million, four hundred fifty-five thousand, four hundred twenty-four".