12471420024 has 144 divisors (see below), whose sum is σ = 39443667120. Its totient is φ = 3549450240.

The previous prime is 12471420011. The next prime is 12471420067. The reversal of 12471420024 is 42002417421.

It is a self number, because there is not a number n which added to its sum of digits gives 12471420024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 921144 + ... + 934584.

It is an arithmetic number, because the mean of its divisors is an integer number (273914355).

Almost surely, 2^12471420024 is an apocalyptic number.

12471420024 is a gapful number since it is divisible by the number (14) 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 12471420024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19721833560).

12471420024 is an abundant number, since it is smaller than the sum of its proper divisors (26972247096).

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

12471420024 is a wasteful number, since it uses less digits than its factorization.

12471420024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13730 (or 13716 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

Adding to 12471420024 its reverse (42002417421), we get a palindrome (54473837445).

The spelling of 12471420024 in words is "twelve billion, four hundred seventy-one million, four hundred twenty thousand, twenty-four".