12111201208 has 16 divisors (see below), whose sum is σ = 22729880880. Its totient is φ = 6049899648.

The previous prime is 12111201187. The next prime is 12111201209. The reversal of 12111201208 is 80210211121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111201209) 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, 703585 + ... + 720592.

It is an arithmetic number, because the mean of its divisors is an integer number (1420617555).

Almost surely, 2^12111201208 is an apocalyptic number.

It is an amenable number.

12111201208 is a deficient number, since it is larger than the sum of its proper divisors (10618679672).

12111201208 is a wasteful number, since it uses less digits than its factorization.

12111201208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425246 (or 1425242 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12111201208 its reverse (80210211121), we get a palindrome (92321412329).

The spelling of 12111201208 in words is "twelve billion, one hundred eleven million, two hundred one thousand, two hundred eight".