12735634250 has 16 divisors (see below), whose sum is σ = 23841107784. Its totient is φ = 5094253600.

The previous prime is 12735634207. The next prime is 12735634271. The reversal of 12735634250 is 5243653721.

It can be written as a sum of positive squares in 4 ways, for example, as 6829865449 + 5905768801 = 82643^2 + 76849^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25471019 + ... + 25471518.

Almost surely, 2^12735634250 is an apocalyptic number.

12735634250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12735634250 is a deficient number, since it is larger than the sum of its proper divisors (11105473534).

12735634250 is an equidigital number, since it uses as much as digits as its factorization.

12735634250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50942554 (or 50942544 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 12735634250 in words is "twelve billion, seven hundred thirty-five million, six hundred thirty-four thousand, two hundred fifty".