12543202030400 has 336 divisors, whose sum is σ = 32112305413056. Its totient is φ = 4818975866880.

The previous prime is 12543202030379. The next prime is 12543202030417. The reversal of 12543202030400 is 403020234521.

It is a self number, because there is not a number n which added to its sum of digits gives 12543202030400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1008532982 + ... + 1008545418.

Almost surely, 2^{12543202030400} is an apocalyptic number.

12543202030400 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 12543202030400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16056152706528).

12543202030400 is an abundant number, since it is smaller than the sum of its proper divisors (19569103382656).

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

12543202030400 is a wasteful number, since it uses less digits than its factorization.

12543202030400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12746 (or 12731 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 12543202030400 its reverse (403020234521), we get a palindrome (12946222264921).

The spelling of 12543202030400 in words is "twelve trillion, five hundred forty-three billion, two hundred two million, thirty thousand, four hundred".