12012223201 has 16 divisors (see below), whose sum is σ = 13534050816. Its totient is φ = 10562400000.

The previous prime is 12012223163. The next prime is 12012223231. The reversal of 12012223201 is 10232221021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12012223201 - 2⁹ = 12012222689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12012223231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 728751 + ... + 745051.

It is an arithmetic number, because the mean of its divisors is an integer number (845878176).

Almost surely, 2^12012223201 is an apocalyptic number.

12012223201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12012223201 is a deficient number, since it is larger than the sum of its proper divisors (1521827615).

12012223201 is a wasteful number, since it uses less digits than its factorization.

12012223201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18504.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12012223201 its reverse (10232221021), we get a palindrome (22244444222).

The spelling of 12012223201 in words is "twelve billion, twelve million, two hundred twenty-three thousand, two hundred one".