12947078551699 has 2 divisors, whose sum is σ = 12947078551700. Its totient is φ = 12947078551698.

The previous prime is 12947078551663. The next prime is 12947078551717. The reversal of 12947078551699 is 99615587074921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12947078551699 - 2¹⁵ = 12947078518931 is a prime.

It is not a weakly prime, because it can be changed into another prime (12947078501699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6473539275849 + 6473539275850.

It is an arithmetic number, because the mean of its divisors is an integer number (6473539275850).

Almost surely, 2^{12947078551699} is an apocalyptic number.

12947078551699 is a deficient number, since it is larger than the sum of its proper divisors (1).

12947078551699 is an equidigital number, since it uses as much as digits as its factorization.

12947078551699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 342921600, while the sum is 73.

The spelling of 12947078551699 in words is "twelve trillion, nine hundred forty-seven billion, seventy-eight million, five hundred fifty-one thousand, six hundred ninety-nine".