12471543624 has 64 divisors (see below), whose sum is σ = 32290928640. Its totient is φ = 4011398720.

The previous prime is 12471543619. The next prime is 12471543661. The reversal of 12471543624 is 42634517421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2227 + ... + 157949.

It is an arithmetic number, because the mean of its divisors is an integer number (504545760).

Almost surely, 2^12471543624 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 12471543624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16145464320).

12471543624 is an abundant number, since it is smaller than the sum of its proper divisors (19819385016).

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

12471543624 is a wasteful number, since it uses less digits than its factorization.

12471543624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155850 (or 155846 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The spelling of 12471543624 in words is "twelve billion, four hundred seventy-one million, five hundred forty-three thousand, six hundred twenty-four".