12550312800 has 288 divisors, whose sum is σ = 46857000960. Its totient is φ = 3238617600.

The previous prime is 12550312793. The next prime is 12550312829. The reversal of 12550312800 is 821305521.

It is a happy number.

12550312800 is a `hidden beast` number, since 1 + 2 + 550 + 31 + 2 + 80 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 660229 + ... + 678971.

It is an arithmetic number, because the mean of its divisors is an integer number (162697920).

Almost surely, 2^12550312800 is an apocalyptic number.

12550312800 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 12550312800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23428500480).

12550312800 is an abundant number, since it is smaller than the sum of its proper divisors (34306688160).

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

12550312800 is a wasteful number, since it uses less digits than its factorization.

12550312800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18803 (or 18784 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 12550312800 in words is "twelve billion, five hundred fifty million, three hundred twelve thousand, eight hundred".