12513194234427 has 48 divisors (see below), whose sum is σ = 18210238448640. Its totient is φ = 7633984190400.

The previous prime is 12513194234407. The next prime is 12513194234467. The reversal of 12513194234427 is 72443249131521.

It is a happy number.

It is not a de Polignac number, because 12513194234427 - 2²³ = 12513185845819 is a prime.

It is a super-2 number, since 2×12513194234427² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12513194234407) 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, 17818524 + ... + 18507462.

It is an arithmetic number, because the mean of its divisors is an integer number (379379967680).

Almost surely, 2^{12513194234427} is an apocalyptic number.

12513194234427 is a deficient number, since it is larger than the sum of its proper divisors (5697044214213).

12513194234427 is a wasteful number, since it uses less digits than its factorization.

12513194234427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689552 (or 689533 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The spelling of 12513194234427 in words is "twelve trillion, five hundred thirteen billion, one hundred ninety-four million, two hundred thirty-four thousand, four hundred twenty-seven".