12530641277 has 48 divisors (see below), whose sum is σ = 16333591680. Its totient is φ = 9500198400.

The previous prime is 12530641273. The next prime is 12530641313. The reversal of 12530641277 is 77214603521.

It is not a de Polignac number, because 12530641277 - 2² = 12530641273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12530641277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12530641273) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13634624 + ... + 13635542.

It is an arithmetic number, because the mean of its divisors is an integer number (340283160).

Almost surely, 2^12530641277 is an apocalyptic number.

It is an amenable number.

12530641277 is a deficient number, since it is larger than the sum of its proper divisors (3802950403).

12530641277 is a wasteful number, since it uses less digits than its factorization.

12530641277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 12530641277 in words is "twelve billion, five hundred thirty million, six hundred forty-one thousand, two hundred seventy-seven".