12533582800 has 60 divisors (see below), whose sum is σ = 30561429856. Its totient is φ = 4938595200.

The previous prime is 12533582777. The next prime is 12533582801. The reversal of 12533582800 is 828533521.

It is a self number, because there is not a number n which added to its sum of digits gives 12533582800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12533582801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207036 + ... + 260635.

Almost surely, 2^12533582800 is an apocalyptic number.

12533582800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12533582800 is an abundant number, since it is smaller than the sum of its proper divisors (18027847056).

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

12533582800 is a wasteful number, since it uses less digits than its factorization.

12533582800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467756 (or 467745 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 12533582800 in words is "twelve billion, five hundred thirty-three million, five hundred eighty-two thousand, eight hundred".