12025124424440 has 128 divisors (see below), whose sum is σ = 27503409669120. Its totient is φ = 4730944512000.

The previous prime is 12025124424433. The next prime is 12025124424463. The reversal of 12025124424440 is 4442442152021.

It is a self number, because there is not a number n which added to its sum of digits gives 12025124424440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2504710040 + ... + 2504714840.

It is an arithmetic number, because the mean of its divisors is an integer number (214870388040).

Almost surely, 2^{12025124424440} is an apocalyptic number.

12025124424440 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 12025124424440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13751704834560).

12025124424440 is an abundant number, since it is smaller than the sum of its proper divisors (15478285244680).

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

12025124424440 is a wasteful number, since it uses less digits than its factorization.

12025124424440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6813 (or 6809 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 35.

Adding to 12025124424440 its reverse (4442442152021), we get a palindrome (16467566576461).

The spelling of 12025124424440 in words is "twelve trillion, twenty-five billion, one hundred twenty-four million, four hundred twenty-four thousand, four hundred forty".