12805476160 has 28 divisors (see below), whose sum is σ = 30493040868. Its totient is φ = 5122190336.

The previous prime is 12805476143. The next prime is 12805476163. The reversal of 12805476160 is 6167450821.

It can be written as a sum of positive squares in 2 ways, for example, as 4351777024 + 8453699136 = 65968^2 + 91944^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12805476163) 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, 20008237 + ... + 20008876.

Almost surely, 2^12805476160 is an apocalyptic number.

12805476160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12805476160 is an abundant number, since it is smaller than the sum of its proper divisors (17687564708).

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

12805476160 is an equidigital number, since it uses as much as digits as its factorization.

12805476160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40017130 (or 40017120 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 12805476160 in words is "twelve billion, eight hundred five million, four hundred seventy-six thousand, one hundred sixty".