12530453056 has 56 divisors (see below), whose sum is σ = 27214409376. Its totient is φ = 5677009920.

The previous prime is 12530453027. The next prime is 12530453059. The reversal of 12530453056 is 65035403521.

12530453056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12530453059) 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 7 ways as a sum of consecutive naturals, for example, 187140 + ... + 245116.

It is an arithmetic number, because the mean of its divisors is an integer number (485971596).

Almost surely, 2^12530453056 is an apocalyptic number.

12530453056 is a gapful number since it is divisible by the number (16) 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 12530453056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13607204688).

12530453056 is an abundant number, since it is smaller than the sum of its proper divisors (14683956320).

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

12530453056 is a wasteful number, since it uses less digits than its factorization.

12530453056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58307 (or 58297 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 12530453056 its reverse (65035403521), we get a palindrome (77565856577).

The spelling of 12530453056 in words is "twelve billion, five hundred thirty million, four hundred fifty-three thousand, fifty-six".