12504554408448 has 60 divisors (see below), whose sum is σ = 36088990698618. Its totient is φ = 4168184801280.

The previous prime is 12504554408441. The next prime is 12504554408461. The reversal of 12504554408448 is 84480445540521.

12504554408448 is a `hidden beast` number, since 1 + 2 + 5 + 0 + 4 + 554 + 4 + 0 + 84 + 4 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10786022187264 + 1718532221184 = 3284208^2 + 1310928^2 .

It is a super-2 number, since 2×12504554408448² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12504554408394 and 12504554408403.

It is not an unprimeable number, because it can be changed into a prime (12504554408441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1356826383 + ... + 1356835598.

Almost surely, 2^{12504554408448} is an apocalyptic number.

12504554408448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12504554408448 is an abundant number, since it is smaller than the sum of its proper divisors (23584436290170).

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

12504554408448 is an equidigital number, since it uses as much as digits as its factorization.

12504554408448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713662005 (or 2713661986 counting only the distinct ones).

The product of its (nonzero) digits is 16384000, while the sum is 54.

Adding to 12504554408448 its reverse (84480445540521), we get a palindrome (96984999948969).

The spelling of 12504554408448 in words is "twelve trillion, five hundred four billion, five hundred fifty-four million, four hundred eight thousand, four hundred forty-eight".