12751141705 has 4 divisors (see below), whose sum is σ = 15301370052. Its totient is φ = 10200913360.

The previous prime is 12751141651. The next prime is 12751141709. The reversal of 12751141705 is 50714115721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50714115721 = 151 ⋅335855071.

It can be written as a sum of positive squares in 2 ways, for example, as 5954128569 + 6797013136 = 77163^2 + 82444^2 .

It is not a de Polignac number, because 12751141705 - 2⁷ = 12751141577 is a prime.

It is a super-2 number, since 2×12751141705² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12751141709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275114166 + ... + 1275114175.

It is an arithmetic number, because the mean of its divisors is an integer number (3825342513).

Almost surely, 2^12751141705 is an apocalyptic number.

It is an amenable number.

12751141705 is a deficient number, since it is larger than the sum of its proper divisors (2550228347).

12751141705 is an equidigital number, since it uses as much as digits as its factorization.

12751141705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550228346.

The product of its (nonzero) digits is 9800, while the sum is 34.

The spelling of 12751141705 in words is "twelve billion, seven hundred fifty-one million, one hundred forty-one thousand, seven hundred five".