12840124500 has 288 divisors, whose sum is σ = 47172513024. Its totient is φ = 2879136000.

The previous prime is 12840124471. The next prime is 12840124501. The reversal of 12840124500 is 542104821.

12840124500 is a `hidden beast` number, since 12 + 8 + 401 + 245 + 0 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12840124501) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1665655 + ... + 1673345.

It is an arithmetic number, because the mean of its divisors is an integer number (163793448).

Almost surely, 2^12840124500 is an apocalyptic number.

12840124500 is a gapful number since it is divisible by the number (10) 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 12840124500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23586256512).

12840124500 is an abundant number, since it is smaller than the sum of its proper divisors (34332388524).

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

12840124500 is a wasteful number, since it uses less digits than its factorization.

12840124500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7776 (or 7761 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The spelling of 12840124500 in words is "twelve billion, eight hundred forty million, one hundred twenty-four thousand, five hundred".