12727106869 has 2 divisors, whose sum is σ = 12727106870. Its totient is φ = 12727106868.

The previous prime is 12727106807. The next prime is 12727106911. The reversal of 12727106869 is 96860172721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7558215844 + 5168891025 = 86938^2 + 71895^2 .

It is a cyclic number.

It is not a de Polignac number, because 12727106869 - 2²³ = 12718718261 is a prime.

It is a super-2 number, since 2×12727106869² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12727106669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6363553434 + 6363553435.

It is an arithmetic number, because the mean of its divisors is an integer number (6363553435).

Almost surely, 2^12727106869 is an apocalyptic number.

It is an amenable number.

12727106869 is a deficient number, since it is larger than the sum of its proper divisors (1).

12727106869 is an equidigital number, since it uses as much as digits as its factorization.

12727106869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 12727106869 in words is "twelve billion, seven hundred twenty-seven million, one hundred six thousand, eight hundred sixty-nine".