12353535012643 has 96 divisors (see below), whose sum is σ = 15223955443200. Its totient is φ = 9968030645760.

The previous prime is 12353535012629. The next prime is 12353535012647. The reversal of 12353535012643 is 34621053535321.

It is not a de Polignac number, because 12353535012643 - 2²¹ = 12353532915491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12353535012643.

It is not an unprimeable number, because it can be changed into a prime (12353535012647) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 503535405 + ... + 503559937.

It is an arithmetic number, because the mean of its divisors is an integer number (158582869200).

Almost surely, 2^{12353535012643} is an apocalyptic number.

12353535012643 is a deficient number, since it is larger than the sum of its proper divisors (2870420430557).

12353535012643 is a wasteful number, since it uses less digits than its factorization.

12353535012643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24793 (or 24782 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 43.

Adding to 12353535012643 its reverse (34621053535321), we get a palindrome (46974588547964).

The spelling of 12353535012643 in words is "twelve trillion, three hundred fifty-three billion, five hundred thirty-five million, twelve thousand, six hundred forty-three".