12545505200 has 60 divisors (see below), whose sum is σ = 30152535888. Its totient is φ = 5016211200.

The previous prime is 12545505197. The next prime is 12545505209. The reversal of 12545505200 is 250554521.

It is not an unprimeable number, because it can be changed into a prime (12545505209) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1399934 + ... + 1408866.

Almost surely, 2^12545505200 is an apocalyptic number.

12545505200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12545505200 is an abundant number, since it is smaller than the sum of its proper divisors (17607030688).

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

12545505200 is a wasteful number, since it uses less digits than its factorization.

12545505200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12462 (or 12451 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The spelling of 12545505200 in words is "twelve billion, five hundred forty-five million, five hundred five thousand, two hundred".