12228694445 has 8 divisors (see below), whose sum is σ = 16008472800. Its totient is φ = 8893595920.

The previous prime is 12228694433. The next prime is 12228694453. The reversal of 12228694445 is 54449682221.

12228694445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-12228694445 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12228694445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111169895 + ... + 111170004.

It is an arithmetic number, because the mean of its divisors is an integer number (2001059100).

Almost surely, 2^12228694445 is an apocalyptic number.

It is an amenable number.

12228694445 is a deficient number, since it is larger than the sum of its proper divisors (3779778355).

12228694445 is a wasteful number, since it uses less digits than its factorization.

12228694445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222339915.

The product of its digits is 1105920, while the sum is 47.

The spelling of 12228694445 in words is "twelve billion, two hundred twenty-eight million, six hundred ninety-four thousand, four hundred forty-five".