12123232515116 has 6 divisors (see below), whose sum is σ = 21215656901460. Its totient is φ = 6061616257556.

The previous prime is 12123232515091. The next prime is 12123232515137. The reversal of 12123232515116 is 61151523232121.

12123232515116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515404064386 + ... + 1515404064393.

It is an arithmetic number, because the mean of its divisors is an integer number (3535942816910).

Almost surely, 2^{12123232515116} is an apocalyptic number.

It is an amenable number.

12123232515116 is a deficient number, since it is larger than the sum of its proper divisors (9092424386344).

12123232515116 is a wasteful number, since it uses less digits than its factorization.

12123232515116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030808128783 (or 3030808128781 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

Adding to 12123232515116 its reverse (61151523232121), we get a palindrome (73274755747237).

The spelling of 12123232515116 in words is "twelve trillion, one hundred twenty-three billion, two hundred thirty-two million, five hundred fifteen thousand, one hundred sixteen".