12808956072 has 128 divisors (see below), whose sum is σ = 35576755200. Its totient is φ = 3810508800.

The previous prime is 12808956071. The next prime is 12808956103. The reversal of 12808956072 is 27065980821.

It is not an unprimeable number, because it can be changed into a prime (12808956071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4815879 + ... + 4818537.

It is an arithmetic number, because the mean of its divisors is an integer number (277943400).

Almost surely, 2^12808956072 is an apocalyptic number.

12808956072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12808956072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17788377600).

12808956072 is an abundant number, since it is smaller than the sum of its proper divisors (22767799128).

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

12808956072 is a wasteful number, since it uses less digits than its factorization.

12808956072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007 (or 3003 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 12808956072 in words is "twelve billion, eight hundred eight million, nine hundred fifty-six thousand, seventy-two".