12530641227 has 32 divisors (see below), whose sum is σ = 18949056000. Its totient is φ = 7301705472.

The previous prime is 12530641217. The next prime is 12530641237. The reversal of 12530641227 is 72214603521.

It is an interprime number because it is at equal distance from previous prime (12530641217) and next prime (12530641237).

It is not a de Polignac number, because 12530641227 - 2²³ = 12522252619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12530641217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2553258 + ... + 2558160.

It is an arithmetic number, because the mean of its divisors is an integer number (592158000).

Almost surely, 2^12530641227 is an apocalyptic number.

12530641227 is a deficient number, since it is larger than the sum of its proper divisors (6418414773).

12530641227 is a wasteful number, since it uses less digits than its factorization.

12530641227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8387.

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 12530641227 in words is "twelve billion, five hundred thirty million, six hundred forty-one thousand, two hundred twenty-seven".