12111133604 has 6 divisors (see below), whose sum is σ = 21194483814. Its totient is φ = 6055566800.

The previous prime is 12111133603. The next prime is 12111133607. The reversal of 12111133604 is 40633111121.

It is a happy number.

12111133604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6955893604 + 5155240000 = 83402^2 + 71800^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12111133604.

It is not an unprimeable number, because it can be changed into a prime (12111133603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1513891697 + ... + 1513891704.

It is an arithmetic number, because the mean of its divisors is an integer number (3532413969).

Almost surely, 2^12111133604 is an apocalyptic number.

It is an amenable number.

12111133604 is a deficient number, since it is larger than the sum of its proper divisors (9083350210).

12111133604 is a wasteful number, since it uses less digits than its factorization.

12111133604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027783405 (or 3027783403 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12111133604 its reverse (40633111121), we get a palindrome (52744244725).

The spelling of 12111133604 in words is "twelve billion, one hundred eleven million, one hundred thirty-three thousand, six hundred four".