12357727741 has 4 divisors (see below), whose sum is σ = 12471101500. Its totient is φ = 12244353984.

The previous prime is 12357727729. The next prime is 12357727763. The reversal of 12357727741 is 14772775321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14772775321 = 379 ⋅38978299.

It can be written as a sum of positive squares in 2 ways, for example, as 7926162841 + 4431564900 = 89029^2 + 66570^2 .

It is a cyclic number.

It is not a de Polignac number, because 12357727741 - 2⁵ = 12357727709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12357727691 and 12357727700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12357727241) 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, 56686716 + ... + 56686933.

It is an arithmetic number, because the mean of its divisors is an integer number (3117775375).

Almost surely, 2^12357727741 is an apocalyptic number.

It is an amenable number.

12357727741 is a deficient number, since it is larger than the sum of its proper divisors (113373759).

12357727741 is a wasteful number, since it uses less digits than its factorization.

12357727741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113373758.

The product of its digits is 576240, while the sum is 46.

It can be divided in two parts, 12 and 357727741, that added together give a palindrome (357727753).

The spelling of 12357727741 in words is "twelve billion, three hundred fifty-seven million, seven hundred twenty-seven thousand, seven hundred forty-one".