12143288556 has 192 divisors, whose sum is σ = 37654364160. Its totient is φ = 3311642880.

The previous prime is 12143288533. The next prime is 12143288657. The reversal of 12143288556 is 65588234121.

12143288556 is a `hidden beast` number, since 1 + 2 + 14 + 3 + 2 + 88 + 556 = 666.

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 63 ways as a sum of consecutive naturals, for example, 1478421 + ... + 1486611.

It is an arithmetic number, because the mean of its divisors is an integer number (196116480).

Almost surely, 2^12143288556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12143288556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18827182080).

12143288556 is an abundant number, since it is smaller than the sum of its proper divisors (25511075604).

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

12143288556 is a wasteful number, since it uses less digits than its factorization.

12143288556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8301 (or 8293 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The spelling of 12143288556 in words is "twelve billion, one hundred forty-three million, two hundred eighty-eight thousand, five hundred fifty-six".