12867447197 has 16 divisors (see below), whose sum is σ = 14812960320. Its totient is φ = 11054304000.

The previous prime is 12867447181. The next prime is 12867447199. The reversal of 12867447197 is 79174476821.

It is a cyclic number.

It is not a de Polignac number, because 12867447197 - 2⁴ = 12867447181 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 (12867447199) 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 15 ways as a sum of consecutive naturals, for example, 7043 + ... + 160575.

It is an arithmetic number, because the mean of its divisors is an integer number (925810020).

Almost surely, 2^12867447197 is an apocalyptic number.

It is an amenable number.

12867447197 is a deficient number, since it is larger than the sum of its proper divisors (1945513123).

12867447197 is a wasteful number, since it uses less digits than its factorization.

12867447197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153964.

The product of its digits is 4741632, while the sum is 56.

It can be divided in two parts, 12867 and 447197, that added together give a palindrome (460064).

The spelling of 12867447197 in words is "twelve billion, eight hundred sixty-seven million, four hundred forty-seven thousand, one hundred ninety-seven".