12076677281 has 2 divisors, whose sum is σ = 12076677282. Its totient is φ = 12076677280.

The previous prime is 12076677257. The next prime is 12076677293. The reversal of 12076677281 is 18277667021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6851700625 + 5224976656 = 82775^2 + 72284^2 .

It is an emirp because it is prime and its reverse (18277667021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12076677281 is a prime.

It is a super-2 number, since 2×12076677281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12076677241) 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, 6038338640 + 6038338641.

It is an arithmetic number, because the mean of its divisors is an integer number (6038338641).

Almost surely, 2^12076677281 is an apocalyptic number.

It is an amenable number.

12076677281 is a deficient number, since it is larger than the sum of its proper divisors (1).

12076677281 is an equidigital number, since it uses as much as digits as its factorization.

12076677281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 395136, while the sum is 47.

The spelling of 12076677281 in words is "twelve billion, seventy-six million, six hundred seventy-seven thousand, two hundred eighty-one".