12543014734 has 4 divisors (see below), whose sum is σ = 18814522104. Its totient is φ = 6271507366.

The previous prime is 12543014713. The next prime is 12543014753. The reversal of 12543014734 is 43741034521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43741034521 = 769 ⋅56880409.

It is a self number, because there is not a number n which added to its sum of digits gives 12543014734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3135753682 + ... + 3135753685.

It is an arithmetic number, because the mean of its divisors is an integer number (4703630526).

Almost surely, 2^12543014734 is an apocalyptic number.

12543014734 is a deficient number, since it is larger than the sum of its proper divisors (6271507370).

12543014734 is an equidigital number, since it uses as much as digits as its factorization.

12543014734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6271507369.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 12543014734 in words is "twelve billion, five hundred forty-three million, fourteen thousand, seven hundred thirty-four".