12005415823548 has 96 divisors (see below), whose sum is σ = 32709634449408. Its totient is φ = 3356222745600.

The previous prime is 12005415823543. The next prime is 12005415823663. The reversal of 12005415823548 is 84532851450021.

It is a junction number, because it is equal to n+sod(n) for n = 12005415823497 and 12005415823506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12005415823543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5154765 + ... + 7112132.

It is an arithmetic number, because the mean of its divisors is an integer number (340725358848).

Almost surely, 2^{12005415823548} is an apocalyptic number.

It is an amenable number.

12005415823548 is an abundant number, since it is smaller than the sum of its proper divisors (20704218625860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12005415823548 is a wasteful number, since it uses less digits than its factorization.

12005415823548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12267163 (or 12267161 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 48.

The spelling of 12005415823548 in words is "twelve trillion, five billion, four hundred fifteen million, eight hundred twenty-three thousand, five hundred forty-eight".