12520442485248 has 160 divisors (see below), whose sum is σ = 34817140524672. Its totient is φ = 3990686515200.

The previous prime is 12520442485211. The next prime is 12520442485249. The reversal of 12520442485248 is 84258424402521.

It is a super-2 number, since 2×12520442485248² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12520442485248.

It is not an unprimeable number, because it can be changed into a prime (12520442485249) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 108081118 + ... + 108196898.

Almost surely, 2^{12520442485248} 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 12520442485248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17408570262336).

12520442485248 is an abundant number, since it is smaller than the sum of its proper divisors (22296698039424).

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

12520442485248 is a wasteful number, since it uses less digits than its factorization.

12520442485248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118886 (or 118870 counting only the distinct ones).

The product of its (nonzero) digits is 6553600, while the sum is 51.

Adding to 12520442485248 its reverse (84258424402521), we get a palindrome (96778866887769).

The spelling of 12520442485248 in words is "twelve trillion, five hundred twenty billion, four hundred forty-two million, four hundred eighty-five thousand, two hundred forty-eight".