12543014868 has 48 divisors (see below), whose sum is σ = 31013498880. Its totient is φ = 3931905024.

The previous prime is 12543014849. The next prime is 12543014893. The reversal of 12543014868 is 86841034521.

It is a happy number.

It is a super-3 number, since 3×12543014868³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236880 + ... + 284952.

It is an arithmetic number, because the mean of its divisors is an integer number (646114560).

Almost surely, 2^12543014868 is an apocalyptic number.

It is an amenable number.

12543014868 is an abundant number, since it is smaller than the sum of its proper divisors (18470484012).

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

12543014868 is a wasteful number, since it uses less digits than its factorization.

12543014868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49376 (or 49374 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 12543014868 in words is "twelve billion, five hundred forty-three million, fourteen thousand, eight hundred sixty-eight".