12365216523112 has 16 divisors (see below), whose sum is σ = 23564859358500. Its totient is φ = 6081254027520.

The previous prime is 12365216523109. The next prime is 12365216523181. The reversal of 12365216523112 is 21132561256321.

It can be written as a sum of positive squares in 2 ways, for example, as 12352736505316 + 12480017796 = 3514646^2 + 111714^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12669278737 + ... + 12669279712.

Almost surely, 2^{12365216523112} is an apocalyptic number.

It is an amenable number.

12365216523112 is a deficient number, since it is larger than the sum of its proper divisors (11199642835388).

12365216523112 is a wasteful number, since it uses less digits than its factorization.

12365216523112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25338558516 (or 25338558512 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

Adding to 12365216523112 its reverse (21132561256321), we get a palindrome (33497777779433).

The spelling of 12365216523112 in words is "twelve trillion, three hundred sixty-five billion, two hundred sixteen million, five hundred twenty-three thousand, one hundred twelve".