12809381270 has 16 divisors (see below), whose sum is σ = 26350727328. Its totient is φ = 4391787840.

The previous prime is 12809381261. The next prime is 12809381281. The reversal of 12809381270 is 7218390821.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 91495511 + ... + 91495650.

It is an arithmetic number, because the mean of its divisors is an integer number (1646920458).

Almost surely, 2^12809381270 is an apocalyptic number.

12809381270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12809381270 is an abundant number, since it is smaller than the sum of its proper divisors (13541346058).

12809381270 is a wasteful number, since it uses less digits than its factorization.

12809381270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182991175.

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

The spelling of 12809381270 in words is "twelve billion, eight hundred nine million, three hundred eighty-one thousand, two hundred seventy".