12758335396044 has 192 divisors, whose sum is σ = 35880077721600. Its totient is φ = 3523355599680.

The previous prime is 12758335396033. The next prime is 12758335396057. The reversal of 12758335396044 is 44069353385721.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 105461439 + ... + 105582345.

It is an arithmetic number, because the mean of its divisors is an integer number (186875404800).

It is a 1-persistent number, because it is pandigital, but 2⋅12758335396044 = 25516670792088 is not.

Almost surely, 2^{12758335396044} is an apocalyptic number.

12758335396044 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 12758335396044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17940038860800).

12758335396044 is an abundant number, since it is smaller than the sum of its proper divisors (23121742325556).

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

12758335396044 is a wasteful number, since it uses less digits than its factorization.

12758335396044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121793 (or 121777 counting only the distinct ones).

The product of its (nonzero) digits is 65318400, while the sum is 60.

The spelling of 12758335396044 in words is "twelve trillion, seven hundred fifty-eight billion, three hundred thirty-five million, three hundred ninety-six thousand, forty-four".