12011220196 has 24 divisors (see below), whose sum is σ = 22839676160. Its totient is φ = 5505991200.

The previous prime is 12011220187. The next prime is 12011220197. The reversal of 12011220196 is 69102211021.

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 12011220196.

It is not an unprimeable number, because it can be changed into a prime (12011220197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2546715 + ... + 2551426.

Almost surely, 2^12011220196 is an apocalyptic number.

It is an amenable number.

12011220196 is a deficient number, since it is larger than the sum of its proper divisors (10828455964).

12011220196 is a wasteful number, since it uses less digits than its factorization.

12011220196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5098195 (or 5098193 counting only the distinct ones).

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

The spelling of 12011220196 in words is "twelve billion, eleven million, two hundred twenty thousand, one hundred ninety-six".