12132126727 has 6 divisors (see below), whose sum is σ = 14112882168. Its totient is φ = 10398965724.

The previous prime is 12132126719. The next prime is 12132126731. The reversal of 12132126727 is 72762123121.

It is not a de Polignac number, because 12132126727 - 2³ = 12132126719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12132126692 and 12132126701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132120727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123797163 + ... + 123797260.

It is an arithmetic number, because the mean of its divisors is an integer number (2352147028).

Almost surely, 2^12132126727 is an apocalyptic number.

12132126727 is a deficient number, since it is larger than the sum of its proper divisors (1980755441).

12132126727 is an equidigital number, since it uses as much as digits as its factorization.

12132126727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247594437 (or 247594430 counting only the distinct ones).

The product of its digits is 14112, while the sum is 34.

Adding to 12132126727 its reverse (72762123121), we get a palindrome (84894249848).

The spelling of 12132126727 in words is "twelve billion, one hundred thirty-two million, one hundred twenty-six thousand, seven hundred twenty-seven".