12700343365 has 4 divisors (see below), whose sum is σ = 15240412044. Its totient is φ = 10160274688.

The previous prime is 12700343339. The next prime is 12700343417. The reversal of 12700343365 is 56334300721.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4438624129 + 8261719236 = 66623^2 + 90894^2 .

It is a cyclic number.

It is not a de Polignac number, because 12700343365 - 2⁵ = 12700343333 is a prime.

It is a super-2 number, since 2×12700343365² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12700343365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270034332 + ... + 1270034341.

It is an arithmetic number, because the mean of its divisors is an integer number (3810103011).

Almost surely, 2^12700343365 is an apocalyptic number.

It is an amenable number.

12700343365 is a deficient number, since it is larger than the sum of its proper divisors (2540068679).

12700343365 is an equidigital number, since it uses as much as digits as its factorization.

12700343365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540068678.

The product of its (nonzero) digits is 45360, while the sum is 34.

The spelling of 12700343365 in words is "twelve billion, seven hundred million, three hundred forty-three thousand, three hundred sixty-five".