2143240415200 has 216 divisors, whose sum is σ = 5662967281272. Its totient is φ = 791638548480.

The previous prime is 2143240415189. The next prime is 2143240415201. The reversal of 2143240415200 is 25140423412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143240415201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12166147 + ... + 12341053.

It is an arithmetic number, because the mean of its divisors is an integer number (26217441117).

Almost surely, 2^{2143240415200} is an apocalyptic number.

2143240415200 is a gapful number since it is divisible by the number (20) 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 2143240415200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2831483640636).

2143240415200 is an abundant number, since it is smaller than the sum of its proper divisors (3519726866072).

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

2143240415200 is a wasteful number, since it uses less digits than its factorization.

2143240415200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175014 (or 174984 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 2143240415200 its reverse (25140423412), we get a palindrome (2168380838612).

The spelling of 2143240415200 in words is "two trillion, one hundred forty-three billion, two hundred forty million, four hundred fifteen thousand, two hundred".