12829345056 has 120 divisors (see below), whose sum is σ = 41160906864. Its totient is φ = 3887671680.

The previous prime is 12829345027. The next prime is 12829345057. The reversal of 12829345056 is 65054392821.

12829345056 is a `hidden beast` number, since 128 + 29 + 3 + 450 + 56 = 666.

It is not an unprimeable number, because it can be changed into a prime (12829345057) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 196470 + ... + 253493.

Almost surely, 2^12829345056 is an apocalyptic number.

12829345056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12829345056 is an abundant number, since it is smaller than the sum of its proper divisors (28331561808).

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

12829345056 is a wasteful number, since it uses less digits than its factorization.

12829345056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449996 (or 449979 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 12829345056 in words is "twelve billion, eight hundred twenty-nine million, three hundred forty-five thousand, fifty-six".