12427982194 has 32 divisors (see below), whose sum is σ = 20017209600. Its totient is φ = 5769331920.

The previous prime is 12427982167. The next prime is 12427982221. The reversal of 12427982194 is 49128972421.

It is an interprime number because it is at equal distance from previous prime (12427982167) and next prime (12427982221).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733729 + ... + 750475.

It is an arithmetic number, because the mean of its divisors is an integer number (625537800).

Almost surely, 2^12427982194 is an apocalyptic number.

12427982194 is a deficient number, since it is larger than the sum of its proper divisors (7589227406).

12427982194 is a wasteful number, since it uses less digits than its factorization.

12427982194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17158.

The product of its digits is 580608, while the sum is 49.

The spelling of 12427982194 in words is "twelve billion, four hundred twenty-seven million, nine hundred eighty-two thousand, one hundred ninety-four".