12877652890129 has 6 divisors (see below), whose sum is σ = 13679721236534. Its totient is φ = 12120143896320.

The previous prime is 12877652890099. The next prime is 12877652890133. The reversal of 12877652890129 is 92109825677821.

It can be written as a sum of positive squares in 3 ways, for example, as 6121541930625 + 6756110959504 = 2474175^2 + 2599252^2 .

It is not a de Polignac number, because 12877652890129 - 2⁷ = 12877652890001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12877652890199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22279675992 + ... + 22279676569.

Almost surely, 2^{12877652890129} is an apocalyptic number.

It is an amenable number.

12877652890129 is a deficient number, since it is larger than the sum of its proper divisors (802068346405).

12877652890129 is an equidigital number, since it uses as much as digits as its factorization.

12877652890129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44559352595 (or 44559352578 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 67.

The spelling of 12877652890129 in words is "twelve trillion, eight hundred seventy-seven billion, six hundred fifty-two million, eight hundred ninety thousand, one hundred twenty-nine".