12012202112 has 16 divisors (see below), whose sum is σ = 23930559150. Its totient is φ = 6006100992.

The previous prime is 12012202093. The next prime is 12012202117. The reversal of 12012202112 is 21120221021.

12012202112 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., 10523477056 + 1488725056 = 102584^2 + 38584^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (12012202117) 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, 46922537 + ... + 46922792.

Almost surely, 2^12012202112 is an apocalyptic number.

It is an amenable number.

12012202112 is a deficient number, since it is larger than the sum of its proper divisors (11918357038).

12012202112 is an frugal number, since it uses more digits than its factorization.

12012202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93845343 (or 93845331 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12012202112 its reverse (21120221021), we get a palindrome (33132423133).

The spelling of 12012202112 in words is "twelve billion, twelve million, two hundred two thousand, one hundred twelve".