12221001196 has 6 divisors (see below), whose sum is σ = 21386752100. Its totient is φ = 6110500596.

The previous prime is 12221001181. The next prime is 12221001197. The reversal of 12221001196 is 69110012221.

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 12221001196.

It is not an unprimeable number, because it can be changed into a prime (12221001197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1527625146 + ... + 1527625153.

Almost surely, 2^12221001196 is an apocalyptic number.

It is an amenable number.

12221001196 is a deficient number, since it is larger than the sum of its proper divisors (9165750904).

12221001196 is a wasteful number, since it uses less digits than its factorization.

12221001196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055250303 (or 3055250301 counting only the distinct ones).

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

The spelling of 12221001196 in words is "twelve billion, two hundred twenty-one million, one thousand, one hundred ninety-six".