12416220172 has 12 divisors (see below), whose sum is σ = 21733344360. Its totient is φ = 6206693216.

The previous prime is 12416220163. The next prime is 12416220191. The reversal of 12416220172 is 27102261421.

It is a self number, because there is not a number n which added to its sum of digits gives 12416220172.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334378 + ... + 369649.

It is an arithmetic number, because the mean of its divisors is an integer number (1811112030).

Almost surely, 2^12416220172 is an apocalyptic number.

It is an amenable number.

12416220172 is a deficient number, since it is larger than the sum of its proper divisors (9317124188).

12416220172 is a wasteful number, since it uses less digits than its factorization.

12416220172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708440 (or 708438 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 12416220172 its reverse (27102261421), we get a palindrome (39518481593).

The spelling of 12416220172 in words is "twelve billion, four hundred sixteen million, two hundred twenty thousand, one hundred seventy-two".