12555350300240 has 160 divisors (see below), whose sum is σ = 31946174064000. Its totient is φ = 4551075624960.

The previous prime is 12555350300239. The next prime is 12555350300351. The reversal of 12555350300240 is 4200305355521.

It is a self number, because there is not a number n which added to its sum of digits gives 12555350300240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1913047199 + ... + 1913053761.

It is an arithmetic number, because the mean of its divisors is an integer number (199663587900).

Almost surely, 2^{12555350300240} is an apocalyptic number.

12555350300240 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 12555350300240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15973087032000).

12555350300240 is an abundant number, since it is smaller than the sum of its proper divisors (19390823763760).

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

12555350300240 is a wasteful number, since it uses less digits than its factorization.

12555350300240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13165 (or 13159 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

Adding to 12555350300240 its reverse (4200305355521), we get a palindrome (16755655655761).

The spelling of 12555350300240 in words is "twelve trillion, five hundred fifty-five billion, three hundred fifty million, three hundred thousand, two hundred forty".