12104849515018 has 8 divisors (see below), whose sum is σ = 19553987678148. Its totient is φ = 5586853622304.

The previous prime is 12104849515009. The next prime is 12104849515019. The reversal of 12104849515018 is 81051594840121.

It can be written as a sum of positive squares in 2 ways, for example, as 10242860999809 + 1861988515209 = 3200447^2 + 1364547^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12104849515019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232785567571 + ... + 232785567622.

Almost surely, 2^{12104849515018} is an apocalyptic number.

12104849515018 is a deficient number, since it is larger than the sum of its proper divisors (7449138163130).

12104849515018 is a wasteful number, since it uses less digits than its factorization.

12104849515018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465571135208.

The product of its (nonzero) digits is 460800, while the sum is 49.

The spelling of 12104849515018 in words is "twelve trillion, one hundred four billion, eight hundred forty-nine million, five hundred fifteen thousand, eighteen".