12132820127 has 4 divisors (see below), whose sum is σ = 12214248600. Its totient is φ = 12051391656.

The previous prime is 12132820097. The next prime is 12132820157. The reversal of 12132820127 is 72102823121.

12132820127 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, and also an emirpimes, since its reverse is a distinct semiprime: 72102823121 = 7 ⋅10300403303.

It is an interprime number because it is at equal distance from previous prime (12132820097) and next prime (12132820157).

It is a cyclic number.

It is not a de Polignac number, because 12132820127 - 2²⁰ = 12131771551 is a prime.

It is a super-2 number, since 2×12132820127² (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 12132820127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132820157) 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, 40714013 + ... + 40714310.

It is an arithmetic number, because the mean of its divisors is an integer number (3053562150).

Almost surely, 2^12132820127 is an apocalyptic number.

12132820127 is a deficient number, since it is larger than the sum of its proper divisors (81428473).

12132820127 is an equidigital number, since it uses as much as digits as its factorization.

12132820127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81428472.

The product of its (nonzero) digits is 2688, while the sum is 29.

The spelling of 12132820127 in words is "twelve billion, one hundred thirty-two million, eight hundred twenty thousand, one hundred twenty-seven".