12747171630 has 64 divisors (see below), whose sum is σ = 32217235200. Its totient is φ = 3218952960.

The previous prime is 12747171601. The next prime is 12747171643. The reversal of 12747171630 is 3617174721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2237826 + ... + 2243514.

It is an arithmetic number, because the mean of its divisors is an integer number (503394300).

Almost surely, 2^12747171630 is an apocalyptic number.

12747171630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12747171630 is an abundant number, since it is smaller than the sum of its proper divisors (19470063570).

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

12747171630 is a wasteful number, since it uses less digits than its factorization.

12747171630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9649.

The product of its (nonzero) digits is 49392, while the sum is 39.

The spelling of 12747171630 in words is "twelve billion, seven hundred forty-seven million, one hundred seventy-one thousand, six hundred thirty".