12987980450723 has 2 divisors, whose sum is σ = 12987980450724. Its totient is φ = 12987980450722.

The previous prime is 12987980450701. The next prime is 12987980450791. The reversal of 12987980450723 is 32705408978921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12987980450723 - 2²⁴ = 12987963673507 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12987980450723.

It is not a weakly prime, because it can be changed into another prime (12987980456723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6493990225361 + 6493990225362.

It is an arithmetic number, because the mean of its divisors is an integer number (6493990225362).

Almost surely, 2^{12987980450723} is an apocalyptic number.

12987980450723 is a deficient number, since it is larger than the sum of its proper divisors (1).

12987980450723 is an equidigital number, since it uses as much as digits as its factorization.

12987980450723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60963840, while the sum is 65.

The spelling of 12987980450723 in words is "twelve trillion, nine hundred eighty-seven billion, nine hundred eighty million, four hundred fifty thousand, seven hundred twenty-three".