12048445917 has 24 divisors (see below), whose sum is σ = 17875943904. Its totient is φ = 7817049504.

The previous prime is 12048445907. The next prime is 12048445919. The reversal of 12048445917 is 71954484021.

12048445917 is a `hidden beast` number, since 12 + 0 + 4 + 8 + 44 + 591 + 7 = 666.

It is not a de Polignac number, because 12048445917 - 2¹⁸ = 12048183773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12048445919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70318 + ... + 170415.

It is an arithmetic number, because the mean of its divisors is an integer number (744830996).

Almost surely, 2^12048445917 is an apocalyptic number.

It is an amenable number.

12048445917 is a deficient number, since it is larger than the sum of its proper divisors (5827497987).

12048445917 is a wasteful number, since it uses less digits than its factorization.

12048445917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240889 (or 240886 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 12048445917 in words is "twelve billion, forty-eight million, four hundred forty-five thousand, nine hundred seventeen".