12850065728 has 14 divisors (see below), whose sum is σ = 25499349306. Its totient is φ = 6425032832.

The previous prime is 12850065703. The next prime is 12850065737. The reversal of 12850065728 is 82756005821.

It can be written as a sum of positive squares in only one way, i.e., 12399267904 + 450797824 = 111352^2 + 21232^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100391075 + ... + 100391202.

Almost surely, 2^12850065728 is an apocalyptic number.

It is an amenable number.

12850065728 is a deficient number, since it is larger than the sum of its proper divisors (12649283578).

12850065728 is an equidigital number, since it uses as much as digits as its factorization.

12850065728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200782289 (or 200782279 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 44.

The spelling of 12850065728 in words is "twelve billion, eight hundred fifty million, sixty-five thousand, seven hundred twenty-eight".