12532306462256 has 160 divisors (see below), whose sum is σ = 28120789440000. Its totient is φ = 5299782230016.

The previous prime is 12532306462229. The next prime is 12532306462267. The reversal of 12532306462256 is 65226460323521.

It is a self number, because there is not a number n which added to its sum of digits gives 12532306462256.

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, 4716711680 + ... + 4716714336.

It is an arithmetic number, because the mean of its divisors is an integer number (175754934000).

Almost surely, 2^{12532306462256} is an apocalyptic number.

12532306462256 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 12532306462256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14060394720000).

12532306462256 is an abundant number, since it is smaller than the sum of its proper divisors (15588482977744).

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

12532306462256 is a wasteful number, since it uses less digits than its factorization.

12532306462256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4579 (or 4573 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 47.

Adding to 12532306462256 its reverse (65226460323521), we get a palindrome (77758766785777).

The spelling of 12532306462256 in words is "twelve trillion, five hundred thirty-two billion, three hundred six million, four hundred sixty-two thousand, two hundred fifty-six".