12052478656548 has 144 divisors (see below), whose sum is σ = 33613594612416. Its totient is φ = 3610810183680.

The previous prime is 12052478656513. The next prime is 12052478656553. The reversal of 12052478656548 is 84565687425021.

It is a happy number.

12052478656548 is a `hidden beast` number, since 1 + 2 + 0 + 5 + 2 + 4 + 7 + 86 + 5 + 6 + 548 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36442015 + ... + 36771257.

It is an arithmetic number, because the mean of its divisors is an integer number (233427740364).

Almost surely, 2^{12052478656548} is an apocalyptic number.

12052478656548 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12052478656548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16806797306208).

12052478656548 is an abundant number, since it is smaller than the sum of its proper divisors (21561115955868).

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

12052478656548 is a wasteful number, since it uses less digits than its factorization.

12052478656548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330314 (or 330309 counting only the distinct ones).

The product of its (nonzero) digits is 129024000, while the sum is 63.

The spelling of 12052478656548 in words is "twelve trillion, fifty-two billion, four hundred seventy-eight million, six hundred fifty-six thousand, five hundred forty-eight".