13215245322500 has 960 divisors, whose sum is σ = 34887367468800. Its totient is φ = 4335648768000.

The previous prime is 13215245322473. The next prime is 13215245322509. The reversal of 13215245322500 is 522354251231.

It is not an unprimeable number, because it can be changed into a prime (13215245322509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 136239642452 + ... + 136239642548.

It is an arithmetic number, because the mean of its divisors is an integer number (36341007780).

Almost surely, 2^{13215245322500} is an apocalyptic number.

13215245322500 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 13215245322500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17443683734400).

13215245322500 is an abundant number, since it is smaller than the sum of its proper divisors (21672122146300).

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

13215245322500 is a wasteful number, since it uses less digits than its factorization.

13215245322500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 13215245322500 its reverse (522354251231), we get a palindrome (13737599573731).

The spelling of 13215245322500 in words is "thirteen trillion, two hundred fifteen billion, two hundred forty-five million, three hundred twenty-two thousand, five hundred".