12221100196 has 12 divisors (see below), whose sum is σ = 21387824640. Its totient is φ = 6110293160.

The previous prime is 12221100139. The next prime is 12221100197. The reversal of 12221100196 is 69100112221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12221100196.

It is not an unprimeable number, because it can be changed into a prime (12221100197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77565 + ... + 174523.

It is an arithmetic number, because the mean of its divisors is an integer number (1782318720).

Almost surely, 2^12221100196 is an apocalyptic number.

It is an amenable number.

12221100196 is a deficient number, since it is larger than the sum of its proper divisors (9166724444).

12221100196 is a wasteful number, since it uses less digits than its factorization.

12221100196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128474 (or 128472 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 12221100196 in words is "twelve billion, two hundred twenty-one million, one hundred thousand, one hundred ninety-six".