12011022112 has 12 divisors (see below), whose sum is σ = 23646699846. Its totient is φ = 6005511040.

The previous prime is 12011022059. The next prime is 12011022113. The reversal of 12011022112 is 21122011021.

12011022112 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., 11786142096 + 224880016 = 108564^2 + 14996^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12011022092 and 12011022101.

It is not an unprimeable number, because it can be changed into a prime (12011022113) 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, 187672189 + ... + 187672252.

Almost surely, 2^12011022112 is an apocalyptic number.

It is an amenable number.

12011022112 is a deficient number, since it is larger than the sum of its proper divisors (11635677734).

12011022112 is an equidigital number, since it uses as much as digits as its factorization.

12011022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375344451 (or 375344443 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12011022112 its reverse (21122011021), we get a palindrome (33133033133).

The spelling of 12011022112 in words is "twelve billion, eleven million, twenty-two thousand, one hundred twelve".