12545520300 has 144 divisors (see below), whose sum is σ = 41315584800. Its totient is φ = 3263846400.

The previous prime is 12545520289. The next prime is 12545520313. The reversal of 12545520300 is 302554521.

It is a happy number.

12545520300 is a `hidden beast` number, since 1 + 2 + 5 + 455 + 203 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54036 + ... + 167364.

Almost surely, 2^12545520300 is an apocalyptic number.

12545520300 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 12545520300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20657792400).

12545520300 is an abundant number, since it is smaller than the sum of its proper divisors (28770064500).

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

12545520300 is a wasteful number, since it uses less digits than its factorization.

12545520300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113393 (or 113380 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The spelling of 12545520300 in words is "twelve billion, five hundred forty-five million, five hundred twenty thousand, three hundred".