12700512349 has 16 divisors (see below), whose sum is σ = 14976557568. Its totient is φ = 10544666112.

The previous prime is 12700512317. The next prime is 12700512359. The reversal of 12700512349 is 94321500721.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12700512349 - 2⁵ = 12700512317 is a prime.

It is a super-2 number, since 2×12700512349² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12700512359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167074 + ... + 230899.

It is an arithmetic number, because the mean of its divisors is an integer number (936034848).

Almost surely, 2^12700512349 is an apocalyptic number.

It is an amenable number.

12700512349 is a deficient number, since it is larger than the sum of its proper divisors (2276045219).

12700512349 is an equidigital number, since it uses as much as digits as its factorization.

12700512349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398124.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 12700512349 in words is "twelve billion, seven hundred million, five hundred twelve thousand, three hundred forty-nine".