12111010112 has 14 divisors (see below), whose sum is σ = 24032785818. Its totient is φ = 6055505024.

The previous prime is 12111010057. The next prime is 12111010139. The reversal of 12111010112 is 21101011121.

12111010112 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., 10827651136 + 1283358976 = 104056^2 + 35824^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12111010093 and 12111010102.

It is a congruent number.

It is an unprimeable number.

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, 94617203 + ... + 94617330.

Almost surely, 2^12111010112 is an apocalyptic number.

It is an amenable number.

12111010112 is a deficient number, since it is larger than the sum of its proper divisors (11921775706).

12111010112 is an equidigital number, since it uses as much as digits as its factorization.

12111010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189234545 (or 189234535 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12111010112 its reverse (21101011121), we get a palindrome (33212021233).

The spelling of 12111010112 in words is "twelve billion, one hundred eleven million, ten thousand, one hundred twelve".