12808127930 has 32 divisors (see below), whose sum is σ = 26288542224. Its totient is φ = 4450968576.

The previous prime is 12808127881. The next prime is 12808127951. The reversal of 12808127930 is 3972180821.

It is a Cunningham number, because it is equal to 113173²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 4610817409 + 8197310521 = 67903^2 + 90539^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2895557 + ... + 2899976.

Almost surely, 2^12808127930 is an apocalyptic number.

12808127930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12808127930 is an abundant number, since it is smaller than the sum of its proper divisors (13480414294).

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

12808127930 is a wasteful number, since it uses less digits than its factorization.

12808127930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5795570.

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 12808127930 in words is "twelve billion, eight hundred eight million, one hundred twenty-seven thousand, nine hundred thirty".