12103635665 has 8 divisors (see below), whose sum is σ = 15844759488. Its totient is φ = 8802644080.

The previous prime is 12103635659. The next prime is 12103635671. The reversal of 12103635665 is 56653630121.

It is an interprime number because it is at equal distance from previous prime (12103635659) and next prime (12103635671).

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

It is not a de Polignac number, because 12103635665 - 2⁶ = 12103635601 is a prime.

It is a super-2 number, since 2×12103635665² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110032997 + ... + 110033106.

It is an arithmetic number, because the mean of its divisors is an integer number (1980594936).

Almost surely, 2^12103635665 is an apocalyptic number.

It is an amenable number.

12103635665 is a deficient number, since it is larger than the sum of its proper divisors (3741123823).

12103635665 is a wasteful number, since it uses less digits than its factorization.

12103635665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220066119.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 12103635665 in words is "twelve billion, one hundred three million, six hundred thirty-five thousand, six hundred sixty-five".