12748632100 has 36 divisors (see below), whose sum is σ = 27733607748. Its totient is φ = 5086720000.

The previous prime is 12748632067. The next prime is 12748632229. The reversal of 12748632100 is 123684721.

It can be written as a sum of positive squares in 6 ways, for example, as 959884324 + 11788747776 = 30982^2 + 108576^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118861 + ... + 199060.

It is an arithmetic number, because the mean of its divisors is an integer number (770377993).

Almost surely, 2^12748632100 is an apocalyptic number.

12748632100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12748632100 is an abundant number, since it is smaller than the sum of its proper divisors (14984975648).

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

12748632100 is a wasteful number, since it uses less digits than its factorization.

12748632100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318336 (or 318329 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 12748632100 in words is "twelve billion, seven hundred forty-eight million, six hundred thirty-two thousand, one hundred".