12750270650 has 24 divisors (see below), whose sum is σ = 25539774204. Its totient is φ = 4707792000.

The previous prime is 12750270607. The next prime is 12750270661. The reversal of 12750270650 is 5607205721.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1475865889 + 11274404761 = 38417^2 + 106181^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12750270650.

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, 9807251 + ... + 9808550.

Almost surely, 2^12750270650 is an apocalyptic number.

12750270650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12750270650 is an abundant number, since it is smaller than the sum of its proper divisors (12789503554).

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

12750270650 is a wasteful number, since it uses less digits than its factorization.

12750270650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19615826 (or 19615821 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 35.

The spelling of 12750270650 in words is "twelve billion, seven hundred fifty million, two hundred seventy thousand, six hundred fifty".