12730765938 has 32 divisors (see below), whose sum is σ = 27794257920. Its totient is φ = 3855302160.

The previous prime is 12730765867. The next prime is 12730765961. The reversal of 12730765938 is 83956703721.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41031 + ... + 164757.

It is an arithmetic number, because the mean of its divisors is an integer number (868570560).

Almost surely, 2^12730765938 is an apocalyptic number.

12730765938 is an abundant number, since it is smaller than the sum of its proper divisors (15063491982).

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

12730765938 is a wasteful number, since it uses less digits than its factorization.

12730765938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125302.

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 12730765938 in words is "twelve billion, seven hundred thirty million, seven hundred sixty-five thousand, nine hundred thirty-eight".