12277788945056 has 24 divisors (see below), whose sum is σ = 24172665337044. Its totient is φ = 6138699335680.

The previous prime is 12277788945053. The next prime is 12277788945061. The reversal of 12277788945056 is 65054988777221.

12277788945056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11709399610000 + 568389335056 = 3421900^2 + 753916^2 .

It is not an unprimeable number, because it can be changed into a prime (12277788945053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5072945 + ... + 7091568.

Almost surely, 2^{12277788945056} is an apocalyptic number.

12277788945056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12277788945056 is a deficient number, since it is larger than the sum of its proper divisors (11894876391988).

12277788945056 is a wasteful number, since it uses less digits than its factorization.

12277788945056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12196064 (or 12196056 counting only the distinct ones).

The product of its (nonzero) digits is 474163200, while the sum is 71.

The spelling of 12277788945056 in words is "twelve trillion, two hundred seventy-seven billion, seven hundred eighty-eight million, nine hundred forty-five thousand, fifty-six".