12772210277 has 2 divisors, whose sum is σ = 12772210278. Its totient is φ = 12772210276.

The previous prime is 12772210271. The next prime is 12772210291. The reversal of 12772210277 is 77201227721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7142109121 + 5630101156 = 84511^2 + 75034^2 .

It is an emirp because it is prime and its reverse (77201227721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12772210277 - 2²⁰ = 12771161701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12772210277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12772210271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6386105138 + 6386105139.

It is an arithmetic number, because the mean of its divisors is an integer number (6386105139).

Almost surely, 2^12772210277 is an apocalyptic number.

It is an amenable number.

12772210277 is a deficient number, since it is larger than the sum of its proper divisors (1).

12772210277 is an equidigital number, since it uses as much as digits as its factorization.

12772210277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38416, while the sum is 38.

Adding to 12772210277 its reverse (77201227721), we get a palindrome (89973437998).

The spelling of 12772210277 in words is "twelve billion, seven hundred seventy-two million, two hundred ten thousand, two hundred seventy-seven".