12408143428872 has 160 divisors (see below), whose sum is σ = 34904456373600. Its totient is φ = 4118199895296.

The previous prime is 12408143428871. The next prime is 12408143428943. The reversal of 12408143428872 is 27882434180421.

12408143428872 is a `hidden beast` number, since 1 + 2 + 4 + 0 + 8 + 143 + 428 + 8 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (12408143428871) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 239657004 + ... + 239708772.

It is an arithmetic number, because the mean of its divisors is an integer number (218152852335).

Almost surely, 2^{12408143428872} is an apocalyptic number.

12408143428872 is a gapful number since it is divisible by the number (12) 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 12408143428872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17452228186800).

12408143428872 is an abundant number, since it is smaller than the sum of its proper divisors (22496312944728).

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

12408143428872 is a wasteful number, since it uses less digits than its factorization.

12408143428872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53377 (or 53364 counting only the distinct ones).

The product of its (nonzero) digits is 5505024, while the sum is 54.

The spelling of 12408143428872 in words is "twelve trillion, four hundred eight billion, one hundred forty-three million, four hundred twenty-eight thousand, eight hundred seventy-two".