12645455200 has 144 divisors (see below), whose sum is σ = 36815143680. Its totient is φ = 4147038720.

The previous prime is 12645455161. The next prime is 12645455203. The reversal of 12645455200 is 255454621.

12645455200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12645455203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79711 + ... + 177889.

It is an arithmetic number, because the mean of its divisors is an integer number (255660720).

Almost surely, 2^12645455200 is an apocalyptic number.

12645455200 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 12645455200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18407571840).

12645455200 is an abundant number, since it is smaller than the sum of its proper divisors (24169688480).

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

12645455200 is a wasteful number, since it uses less digits than its factorization.

12645455200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98229 (or 98216 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 12645455200 in words is "twelve billion, six hundred forty-five million, four hundred fifty-five thousand, two hundred".