12977880195 has 32 divisors (see below), whose sum is σ = 24065233920. Its totient is φ = 5849182080.

The previous prime is 12977880143. The next prime is 12977880199. The reversal of 12977880195 is 59108877921.

It is not a de Polignac number, because 12977880195 - 2¹⁰ = 12977879171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12977880199) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 862960 + ... + 877869.

It is an arithmetic number, because the mean of its divisors is an integer number (752038560).

Almost surely, 2^12977880195 is an apocalyptic number.

12977880195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12977880195 is a deficient number, since it is larger than the sum of its proper divisors (11087353725).

12977880195 is a wasteful number, since it uses less digits than its factorization.

12977880195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740915.

The product of its (nonzero) digits is 2540160, while the sum is 57.

The spelling of 12977880195 in words is "twelve billion, nine hundred seventy-seven million, eight hundred eighty thousand, one hundred ninety-five".