12201022112 has 24 divisors (see below), whose sum is σ = 24030317556. Its totient is φ = 6098084352.

The previous prime is 12201022091. The next prime is 12201022117. The reversal of 12201022112 is 21122010221.

12201022112 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 2 ways, for example, as 12171384976 + 29637136 = 110324^2 + 5444^2 .

It is not an unprimeable number, because it can be changed into a prime (12201022117) 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 in 3 ways as a sum of consecutive naturals, for example, 7268 + ... + 156380.

Almost surely, 2^12201022112 is an apocalyptic number.

It is an amenable number.

12201022112 is a deficient number, since it is larger than the sum of its proper divisors (11829295444).

12201022112 is a wasteful number, since it uses less digits than its factorization.

12201022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151680 (or 151672 counting only the distinct ones).

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

Adding to 12201022112 its reverse (21122010221), we get a palindrome (33323032333).

The spelling of 12201022112 in words is "twelve billion, two hundred one million, twenty-two thousand, one hundred twelve".