12777660011208 has 64 divisors (see below), whose sum is σ = 32141265004800. Its totient is φ = 4232939860800.

The previous prime is 12777660011119. The next prime is 12777660011209. The reversal of 12777660011208 is 80211006677721.

It is not an unprimeable number, because it can be changed into a prime (12777660011209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191102983 + ... + 191169833.

It is an arithmetic number, because the mean of its divisors is an integer number (502207265700).

Almost surely, 2^{12777660011208} is an apocalyptic number.

It is an amenable number.

12777660011208 is an abundant number, since it is smaller than the sum of its proper divisors (19363604993592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12777660011208 is a wasteful number, since it uses less digits than its factorization.

12777660011208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115882 (or 115878 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 48.

Adding to 12777660011208 its reverse (80211006677721), we get a palindrome (92988666688929).

The spelling of 12777660011208 in words is "twelve trillion, seven hundred seventy-seven billion, six hundred sixty million, eleven thousand, two hundred eight".