12026617671647 has 2 divisors, whose sum is σ = 12026617671648. Its totient is φ = 12026617671646.

The previous prime is 12026617671641. The next prime is 12026617671667. The reversal of 12026617671647 is 74617671662021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12026617671647 - 2¹⁰ = 12026617670623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12026617671592 and 12026617671601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12026617671641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6013308835823 + 6013308835824.

It is an arithmetic number, because the mean of its divisors is an integer number (6013308835824).

Almost surely, 2^{12026617671647} is an apocalyptic number.

12026617671647 is a deficient number, since it is larger than the sum of its proper divisors (1).

12026617671647 is an equidigital number, since it uses as much as digits as its factorization.

12026617671647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7112448, while the sum is 56.

The spelling of 12026617671647 in words is "twelve trillion, twenty-six billion, six hundred seventeen million, six hundred seventy-one thousand, six hundred forty-seven".