12011112201 has 32 divisors (see below), whose sum is σ = 17574746112. Its totient is φ = 7236250560.

The previous prime is 12011112163. The next prime is 12011112209. The reversal of 12011112201 is 10221111021.

12011112201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12011112201 - 2¹⁹ = 12010587913 is a prime.

It is a super-2 number, since 2×12011112201² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12011112209) 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 31 ways as a sum of consecutive naturals, for example, 4475406 + ... + 4478088.

It is an arithmetic number, because the mean of its divisors is an integer number (549210816).

Almost surely, 2^12011112201 is an apocalyptic number.

12011112201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12011112201 is a deficient number, since it is larger than the sum of its proper divisors (5563633911).

12011112201 is a wasteful number, since it uses less digits than its factorization.

12011112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12011112201 its reverse (10221111021), we get a palindrome (22232223222).

The spelling of 12011112201 in words is "twelve billion, eleven million, one hundred twelve thousand, two hundred one".