12104215115 has 8 divisors (see below), whose sum is σ = 14621251488. Its totient is φ = 9619243200.

The previous prime is 12104215087. The next prime is 12104215121. The reversal of 12104215115 is 51151240121.

It is a happy number.

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

It is not a de Polignac number, because 12104215115 - 2²⁰ = 12103166539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8015282 + ... + 8016791.

It is an arithmetic number, because the mean of its divisors is an integer number (1827656436).

Almost surely, 2^12104215115 is an apocalyptic number.

12104215115 is a deficient number, since it is larger than the sum of its proper divisors (2517036373).

12104215115 is a wasteful number, since it uses less digits than its factorization.

12104215115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16032229.

The product of its (nonzero) digits is 400, while the sum is 23.

Adding to 12104215115 its reverse (51151240121), we get a palindrome (63255455236).

The spelling of 12104215115 in words is "twelve billion, one hundred four million, two hundred fifteen thousand, one hundred fifteen".