12543202030401 has 64 divisors (see below), whose sum is σ = 22822031093760. Its totient is φ = 6645238237440.

The previous prime is 12543202030379. The next prime is 12543202030417. The reversal of 12543202030401 is 10403020234521.

12543202030401 is a `hidden beast` number, since 1 + 2 + 54 + 3 + 2 + 0 + 203 + 0 + 401 = 666.

It is not a de Polignac number, because 12543202030401 - 2⁷ = 12543202030273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12543202030441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28918245 + ... + 29348786.

It is an arithmetic number, because the mean of its divisors is an integer number (356594235840).

Almost surely, 2^{12543202030401} is an apocalyptic number.

It is an amenable number.

12543202030401 is a deficient number, since it is larger than the sum of its proper divisors (10278829063359).

12543202030401 is a wasteful number, since it uses less digits than its factorization.

12543202030401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58267131 (or 58267125 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 12543202030401 its reverse (10403020234521), we get a palindrome (22946222264922).

The spelling of 12543202030401 in words is "twelve trillion, five hundred forty-three billion, two hundred two million, thirty thousand, four hundred one".