12771009160 has 96 divisors (see below), whose sum is σ = 35997476760. Its totient is φ = 4041805824.

The previous prime is 12771009157. The next prime is 12771009221. The reversal of 12771009160 is 6190017721.

It can be written as a sum of positive squares in 4 ways, for example, as 7204953924 + 5566055236 = 84882^2 + 74606^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 225129 + ... + 276088.

Almost surely, 2^12771009160 is an apocalyptic number.

12771009160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12771009160 is an abundant number, since it is smaller than the sum of its proper divisors (23226467600).

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

12771009160 is a wasteful number, since it uses less digits than its factorization.

12771009160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501255 (or 501244 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 34.

The spelling of 12771009160 in words is "twelve billion, seven hundred seventy-one million, nine thousand, one hundred sixty".