12220178744 has 16 divisors (see below), whose sum is σ = 22914124800. Its totient is φ = 6109745472.

The previous prime is 12220178713. The next prime is 12220178771. The reversal of 12220178744 is 44787102221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12220178698 and 12220178707.

It is a congruent number.

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, 170252 + ... + 231140.

It is an arithmetic number, because the mean of its divisors is an integer number (1432132800).

Almost surely, 2^12220178744 is an apocalyptic number.

It is an amenable number.

12220178744 is a deficient number, since it is larger than the sum of its proper divisors (10693946056).

12220178744 is a wasteful number, since it uses less digits than its factorization.

12220178744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85982 (or 85978 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 38.

The spelling of 12220178744 in words is "twelve billion, two hundred twenty million, one hundred seventy-eight thousand, seven hundred forty-four".