12745257050 has 12 divisors (see below), whose sum is σ = 23706178206. Its totient is φ = 5098102800.

The previous prime is 12745257047. The next prime is 12745257071. The reversal of 12745257050 is 5075254721.

It can be written as a sum of positive squares in 3 ways, for example, as 8353411609 + 4391845441 = 91397^2 + 66271^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12745256995 and 12745257013.

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 5 ways as a sum of consecutive naturals, for example, 127452521 + ... + 127452620.

Almost surely, 2^12745257050 is an apocalyptic number.

12745257050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12745257050 is a deficient number, since it is larger than the sum of its proper divisors (10960921156).

12745257050 is a wasteful number, since it uses less digits than its factorization.

12745257050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254905153 (or 254905148 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 38.

The spelling of 12745257050 in words is "twelve billion, seven hundred forty-five million, two hundred fifty-seven thousand, fifty".