12751694403872 has 162 divisors, whose sum is σ = 27101247240249. Its totient is φ = 5904966896640.

The previous prime is 12751694403869. The next prime is 12751694403919. The reversal of 12751694403872 is 27830449615721.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 11670668407696 + 1081025996176 = 3416236^2 + 1039724^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2525044.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 24381824603 + ... + 24381825125.

It is a 1-persistent number, because it is pandigital, but 2⋅12751694403872 = 25503388807744 is not.

Almost surely, 2^{12751694403872} 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 12751694403872

12751694403872 is an abundant number, since it is smaller than the sum of its proper divisors (14349552836377).

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

12751694403872 is an frugal number, since it uses more digits than its factorization.

12751694403872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 12751694403872 in words is "twelve trillion, seven hundred fifty-one billion, six hundred ninety-four million, four hundred three thousand, eight hundred seventy-two".