12125135313 has 12 divisors (see below), whose sum is σ = 17921389200. Its totient is φ = 7895436696.

The previous prime is 12125135293. The next prime is 12125135317. The reversal of 12125135313 is 31353152121.

12125135313 is a `hidden beast` number, since 1 + 2 + 125 + 1 + 3 + 531 + 3 = 666.

It is not a de Polignac number, because 12125135313 - 2¹⁰ = 12125134289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12125135317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15665163 + ... + 15665936.

It is an arithmetic number, because the mean of its divisors is an integer number (1493449100).

Almost surely, 2^12125135313 is an apocalyptic number.

It is an amenable number.

12125135313 is a deficient number, since it is larger than the sum of its proper divisors (5796253887).

12125135313 is a wasteful number, since it uses less digits than its factorization.

12125135313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31331148 (or 31331145 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

Adding to 12125135313 its reverse (31353152121), we get a palindrome (43478287434).

The spelling of 12125135313 in words is "twelve billion, one hundred twenty-five million, one hundred thirty-five thousand, three hundred thirteen".