12558482000 has 80 divisors (see below), whose sum is σ = 30782745552. Its totient is φ = 4954521600.

The previous prime is 12558481939. The next prime is 12558482051. The reversal of 12558482000 is 28485521.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2569678864 + 9988803136 = 50692^2 + 99944^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102992 + ... + 189008.

Almost surely, 2^12558482000 is an apocalyptic number.

12558482000 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 12558482000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15391372776).

12558482000 is an abundant number, since it is smaller than the sum of its proper divisors (18224263552).

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

12558482000 is an equidigital number, since it uses as much as digits as its factorization.

12558482000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86113 (or 86097 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 35.

It can be divided in two parts, 125 and 58482000, that multiplied together give a square (7310250000 = 85500²).

The spelling of 12558482000 in words is "twelve billion, five hundred fifty-eight million, four hundred eighty-two thousand".