12885208069 has 2 divisors, whose sum is σ = 12885208070. Its totient is φ = 12885208068.

The previous prime is 12885208067. The next prime is 12885208081. The reversal of 12885208069 is 96080258821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12828507169 + 56700900 = 113263^2 + 7530^2 .

It is a cyclic number.

It is not a de Polignac number, because 12885208069 - 2¹ = 12885208067 is a prime.

It is a super-2 number, since 2×12885208069² (a number of 21 digits) contains 22 as substring.

Together with 12885208067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12885208067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6442604034 + 6442604035.

It is an arithmetic number, because the mean of its divisors is an integer number (6442604035).

Almost surely, 2^12885208069 is an apocalyptic number.

It is an amenable number.

12885208069 is a deficient number, since it is larger than the sum of its proper divisors (1).

12885208069 is an equidigital number, since it uses as much as digits as its factorization.

12885208069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 49.

The spelling of 12885208069 in words is "twelve billion, eight hundred eighty-five million, two hundred eight thousand, sixty-nine".