12169880647 has 2 divisors, whose sum is σ = 12169880648. Its totient is φ = 12169880646.

The previous prime is 12169880609. The next prime is 12169880659. The reversal of 12169880647 is 74608896121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12169880647 - 2⁷ = 12169880519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12169880594 and 12169880603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12169880147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6084940323 + 6084940324.

It is an arithmetic number, because the mean of its divisors is an integer number (6084940324).

Almost surely, 2^12169880647 is an apocalyptic number.

12169880647 is a deficient number, since it is larger than the sum of its proper divisors (1).

12169880647 is an equidigital number, since it uses as much as digits as its factorization.

12169880647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 12169880647 in words is "twelve billion, one hundred sixty-nine million, eight hundred eighty thousand, six hundred forty-seven".