12540332558004 has 96 divisors (see below), whose sum is σ = 30695369908224. Its totient is φ = 3977131847040.

The previous prime is 12540332557993. The next prime is 12540332558021. The reversal of 12540332558004 is 40085523304521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74573739 + ... + 74741709.

It is an arithmetic number, because the mean of its divisors is an integer number (319743436544).

Almost surely, 2^{12540332558004} 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 12540332558004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15347684954112).

12540332558004 is an abundant number, since it is smaller than the sum of its proper divisors (18155037350220).

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

12540332558004 is a wasteful number, since it uses less digits than its factorization.

12540332558004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169437 (or 169435 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 12540332558004 in words is "twelve trillion, five hundred forty billion, three hundred thirty-two million, five hundred fifty-eight thousand, four".