12512345361 has 8 divisors (see below), whose sum is σ = 16693834560. Its totient is φ = 8336209872.

The previous prime is 12512345327. The next prime is 12512345393. The reversal of 12512345361 is 16354321521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12512345361 - 2⁷ = 12512345233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12512340361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1332970 + ... + 1342323.

It is an arithmetic number, because the mean of its divisors is an integer number (2086729320).

Almost surely, 2^12512345361 is an apocalyptic number.

It is an amenable number.

12512345361 is a deficient number, since it is larger than the sum of its proper divisors (4181489199).

12512345361 is a wasteful number, since it uses less digits than its factorization.

12512345361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676855.

The product of its digits is 21600, while the sum is 33.

Adding to 12512345361 its reverse (16354321521), we get a palindrome (28866666882).

The spelling of 12512345361 in words is "twelve billion, five hundred twelve million, three hundred forty-five thousand, three hundred sixty-one".