12707122727 has 16 divisors (see below), whose sum is σ = 14409131520. Its totient is φ = 11108988000.

The previous prime is 12707122721. The next prime is 12707122739. The reversal of 12707122727 is 72722170721.

It is a cyclic number.

It is not a de Polignac number, because 12707122727 - 2⁸ = 12707122471 is a prime.

It is a super-2 number, since 2×12707122727² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12707122721) 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, 1217702 + ... + 1228092.

It is an arithmetic number, because the mean of its divisors is an integer number (900570720).

Almost surely, 2^12707122727 is an apocalyptic number.

12707122727 is a deficient number, since it is larger than the sum of its proper divisors (1702008793).

12707122727 is a wasteful number, since it uses less digits than its factorization.

12707122727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15374.

The product of its (nonzero) digits is 38416, while the sum is 38.

The spelling of 12707122727 in words is "twelve billion, seven hundred seven million, one hundred twenty-two thousand, seven hundred twenty-seven".