12577226743 has 4 divisors (see below), whose sum is σ = 12844827360. Its totient is φ = 12309626128.

The previous prime is 12577226741. The next prime is 12577226747. The reversal of 12577226743 is 34762277521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12577226743 - 2¹ = 12577226741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12577226693 and 12577226702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12577226741) 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, 133800238 + ... + 133800331.

It is an arithmetic number, because the mean of its divisors is an integer number (3211206840).

Almost surely, 2^12577226743 is an apocalyptic number.

12577226743 is a deficient number, since it is larger than the sum of its proper divisors (267600617).

12577226743 is an equidigital number, since it uses as much as digits as its factorization.

12577226743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267600616.

The product of its digits is 987840, while the sum is 46.

The spelling of 12577226743 in words is "twelve billion, five hundred seventy-seven million, two hundred twenty-six thousand, seven hundred forty-three".