12696822535447 has 2 divisors, whose sum is σ = 12696822535448. Its totient is φ = 12696822535446.

The previous prime is 12696822535417. The next prime is 12696822535457. The reversal of 12696822535447 is 74453522869621.

12696822535447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12696822535447 - 2¹¹ = 12696822533399 is a prime.

It is a super-2 number, since 2×12696822535447² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12696822535417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6348411267723 + 6348411267724.

It is an arithmetic number, because the mean of its divisors is an integer number (6348411267724).

Almost surely, 2^{12696822535447} is an apocalyptic number.

12696822535447 is a deficient number, since it is larger than the sum of its proper divisors (1).

12696822535447 is an equidigital number, since it uses as much as digits as its factorization.

12696822535447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174182400, while the sum is 64.

The spelling of 12696822535447 in words is "twelve trillion, six hundred ninety-six billion, eight hundred twenty-two million, five hundred thirty-five thousand, four hundred forty-seven".