12250555203200 has 48 divisors (see below), whose sum is σ = 30262699658310. Its totient is φ = 4900222080000.

The previous prime is 12250555203169. The next prime is 12250555203209. The reversal of 12250555203200 is 230255505221.

It can be written as a sum of positive squares in 3 ways, for example, as 8885502492736 + 3365052710464 = 2980856^2 + 1834408^2 .

It is a super-2 number, since 2×12250555203200² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (12250555203209) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1914146051 + ... + 1914152450.

Almost surely, 2^{12250555203200} is an apocalyptic number.

12250555203200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12250555203200 is an abundant number, since it is smaller than the sum of its proper divisors (18012144455110).

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

12250555203200 is an equidigital number, since it uses as much as digits as its factorization.

12250555203200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828298525 (or 3828298508 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 12250555203200 in words is "twelve trillion, two hundred fifty billion, five hundred fifty-five million, two hundred three thousand, two hundred".