12527768227 has 4 divisors (see below), whose sum is σ = 13491442720. Its totient is φ = 11564093736.

The previous prime is 12527768219. The next prime is 12527768251. The reversal of 12527768227 is 72286772521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72286772521 = 41543 ⋅1740047.

It is not a de Polignac number, because 12527768227 - 2³ = 12527768219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12527768207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481837227 + ... + 481837252.

It is an arithmetic number, because the mean of its divisors is an integer number (3372860680).

Almost surely, 2^12527768227 is an apocalyptic number.

12527768227 is a deficient number, since it is larger than the sum of its proper divisors (963674493).

12527768227 is an equidigital number, since it uses as much as digits as its factorization.

12527768227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963674492.

The product of its digits is 1317120, while the sum is 49.

The spelling of 12527768227 in words is "twelve billion, five hundred twenty-seven million, seven hundred sixty-eight thousand, two hundred twenty-seven".