12271627825 has 6 divisors (see below), whose sum is σ = 15216818534. Its totient is φ = 9817302240.

The previous prime is 12271627817. The next prime is 12271627861. The reversal of 12271627825 is 52872617221.

It can be written as a sum of positive squares in 3 ways, for example, as 382124304 + 11889503521 = 19548^2 + 109039^2 .

It is not a de Polignac number, because 12271627825 - 2³ = 12271627817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 245432532 + ... + 245432581.

Almost surely, 2^12271627825 is an apocalyptic number.

It is an amenable number.

12271627825 is a deficient number, since it is larger than the sum of its proper divisors (2945190709).

12271627825 is an equidigital number, since it uses as much as digits as its factorization.

12271627825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490865123 (or 490865118 counting only the distinct ones).

The product of its digits is 188160, while the sum is 43.

The spelling of 12271627825 in words is "twelve billion, two hundred seventy-one million, six hundred twenty-seven thousand, eight hundred twenty-five".