12571975543008 has 384 divisors, whose sum is σ = 39889088160768. Its totient is φ = 3391846907904.

The previous prime is 12571975543007. The next prime is 12571975543021. The reversal of 12571975543008 is 80034557917521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12571975543007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 167819416 + ... + 167894312.

It is an arithmetic number, because the mean of its divisors is an integer number (103877833752).

Almost surely, 2^{12571975543008} 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 12571975543008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19944544080384).

12571975543008 is an abundant number, since it is smaller than the sum of its proper divisors (27317112617760).

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

12571975543008 is a wasteful number, since it uses less digits than its factorization.

12571975543008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75154 (or 75146 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 57.

It can be divided in two parts, 12571 and 975543008, that added together give a palindrome (975555579).

The spelling of 12571975543008 in words is "twelve trillion, five hundred seventy-one billion, nine hundred seventy-five million, five hundred forty-three thousand, eight".