12738230066687 has 2 divisors, whose sum is σ = 12738230066688. Its totient is φ = 12738230066686.

The previous prime is 12738230066599. The next prime is 12738230066689. The reversal of 12738230066687 is 78666003283721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12738230066687 - 2¹⁰ = 12738230065663 is a prime.

Together with 12738230066689, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12738230066689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6369115033343 + 6369115033344.

It is an arithmetic number, because the mean of its divisors is an integer number (6369115033344).

Almost surely, 2^{12738230066687} is an apocalyptic number.

12738230066687 is a deficient number, since it is larger than the sum of its proper divisors (1).

12738230066687 is an equidigital number, since it uses as much as digits as its factorization.

12738230066687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24385536, while the sum is 59.

The spelling of 12738230066687 in words is "twelve trillion, seven hundred thirty-eight billion, two hundred thirty million, sixty-six thousand, six hundred eighty-seven".