12111211204 has 12 divisors (see below), whose sum is σ = 21229540864. Its totient is φ = 6045628104.

The previous prime is 12111211201. The next prime is 12111211289. The reversal of 12111211204 is 40211211121.

It is not an unprimeable number, because it can be changed into a prime (12111211201) 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, 2491644 + ... + 2496499.

Almost surely, 2^12111211204 is an apocalyptic number.

It is an amenable number.

12111211204 is a deficient number, since it is larger than the sum of its proper divisors (9118329660).

12111211204 is a wasteful number, since it uses less digits than its factorization.

12111211204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4988754 (or 4988752 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12111211204 its reverse (40211211121), we get a palindrome (52322422325).

The spelling of 12111211204 in words is "twelve billion, one hundred eleven million, two hundred eleven thousand, two hundred four".