12980478117677 has 16 divisors (see below), whose sum is σ = 15347406873600. Its totient is φ = 10741744487040.

The previous prime is 12980478117643. The next prime is 12980478117679. The reversal of 12980478117677 is 77671187408921.

It is a happy number.

It is not a de Polignac number, because 12980478117677 - 2³⁴ = 12963298248493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12980478117679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 902852 + ... + 5174562.

It is an arithmetic number, because the mean of its divisors is an integer number (959212929600).

Almost surely, 2^{12980478117677} is an apocalyptic number.

It is an amenable number.

12980478117677 is a deficient number, since it is larger than the sum of its proper divisors (2366928755923).

12980478117677 is a wasteful number, since it uses less digits than its factorization.

12980478117677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286716.

The product of its (nonzero) digits is 66382848, while the sum is 68.

The spelling of 12980478117677 in words is "twelve trillion, nine hundred eighty billion, four hundred seventy-eight million, one hundred seventeen thousand, six hundred seventy-seven".