12103416605 has 32 divisors (see below), whose sum is σ = 16879000320. Its totient is φ = 8160514560.

The previous prime is 12103416599. The next prime is 12103416643. The reversal of 12103416605 is 50661430121.

It is a happy number.

It is not a de Polignac number, because 12103416605 - 2⁶ = 12103416541 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 553082 + ... + 574548.

It is an arithmetic number, because the mean of its divisors is an integer number (527468760).

Almost surely, 2^12103416605 is an apocalyptic number.

It is an amenable number.

12103416605 is a deficient number, since it is larger than the sum of its proper divisors (4775583715).

12103416605 is a wasteful number, since it uses less digits than its factorization.

12103416605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21749.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 12103416605 its reverse (50661430121), we get a palindrome (62764846726).

The spelling of 12103416605 in words is "twelve billion, one hundred three million, four hundred sixteen thousand, six hundred five".