12512000161 has 8 divisors (see below), whose sum is σ = 13057182720. Its totient is φ = 11966916192.

The previous prime is 12512000129. The next prime is 12512000173. The reversal of 12512000161 is 16100021521.

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

It is not a de Polignac number, because 12512000161 - 2⁵ = 12512000129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12512000101) 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, 367885 + ... + 400453.

It is an arithmetic number, because the mean of its divisors is an integer number (1632147840).

Almost surely, 2^12512000161 is an apocalyptic number.

It is an amenable number.

12512000161 is a deficient number, since it is larger than the sum of its proper divisors (545182559).

12512000161 is a wasteful number, since it uses less digits than its factorization.

12512000161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49295.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 12512000161 its reverse (16100021521), we get a palindrome (28612021682).

The spelling of 12512000161 in words is "twelve billion, five hundred twelve million, one hundred sixty-one", and thus it is an aban number.