12643005014343 has 12 divisors (see below), whose sum is σ = 19922310931848. Its totient is φ = 7662427281360.

The previous prime is 12643005014323. The next prime is 12643005014357. The reversal of 12643005014343 is 34341050034621.

12643005014343 is a `hidden beast` number, since 1 + 2 + 6 + 4 + 300 + 5 + 0 + 1 + 4 + 343 = 666.

It is not a de Polignac number, because 12643005014343 - 2⁹ = 12643005013831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12643005014298 and 12643005014307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12643005014323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63853560580 + ... + 63853560777.

It is an arithmetic number, because the mean of its divisors is an integer number (1660192577654).

Almost surely, 2^{12643005014343} is an apocalyptic number.

12643005014343 is a deficient number, since it is larger than the sum of its proper divisors (7279305917505).

12643005014343 is a wasteful number, since it uses less digits than its factorization.

12643005014343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127707121374 (or 127707121371 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 12643005014343 its reverse (34341050034621), we get a palindrome (46984055048964).

The spelling of 12643005014343 in words is "twelve trillion, six hundred forty-three billion, five million, fourteen thousand, three hundred forty-three".