12543703336898 has 16 divisors (see below), whose sum is σ = 19175901591096. Its totient is φ = 6151802017920.

The previous prime is 12543703336889. The next prime is 12543703336921. The reversal of 12543703336898 is 89863330734521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8907675992329 + 3636027344569 = 2984573^2 + 1906837^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12543703336898.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16086833 + ... + 16848548.

It is a 1-persistent number, because it is pandigital, but 2⋅12543703336898 = 25087406673796 is not.

Almost surely, 2^{12543703336898} is an apocalyptic number.

12543703336898 is a deficient number, since it is larger than the sum of its proper divisors (6632198254198).

12543703336898 is a wasteful number, since it uses less digits than its factorization.

12543703336898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32939029.

The product of its (nonzero) digits is 78382080, while the sum is 62.

The spelling of 12543703336898 in words is "twelve trillion, five hundred forty-three billion, seven hundred three million, three hundred thirty-six thousand, eight hundred ninety-eight".