12927106261 has 4 divisors (see below), whose sum is σ = 12927607852. Its totient is φ = 12926604672.

The previous prime is 12927106259. The next prime is 12927106307. The reversal of 12927106261 is 16260172921.

12927106261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 6309283761 + 6617822500 = 79431^2 + 81350^2 .

It is a cyclic number.

It is not a de Polignac number, because 12927106261 - 2¹ = 12927106259 is a prime.

It is a super-2 number, since 2×12927106261² (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 12927106261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12927106201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209916 + ... + 264421.

It is an arithmetic number, because the mean of its divisors is an integer number (3231901963).

Almost surely, 2^12927106261 is an apocalyptic number.

It is an amenable number.

12927106261 is a deficient number, since it is larger than the sum of its proper divisors (501591).

12927106261 is an equidigital number, since it uses as much as digits as its factorization.

12927106261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501590.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 12927106261 in words is "twelve billion, nine hundred twenty-seven million, one hundred six thousand, two hundred sixty-one".