12012001222201 has 4 divisors (see below), whose sum is σ = 12017806928100. Its totient is φ = 12006195516304.

The previous prime is 12012001222187. The next prime is 12012001222211. The reversal of 12012001222201 is 10222210021021.

It is a happy number.

12012001222201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2319513770025 + 9692487452176 = 1522995^2 + 3113276^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012001222201 - 2⁴³ = 3215908199993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012001222211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2902849846 + ... + 2902853983.

It is an arithmetic number, because the mean of its divisors is an integer number (3004451732025).

Almost surely, 2^{12012001222201} is an apocalyptic number.

It is an amenable number.

12012001222201 is a deficient number, since it is larger than the sum of its proper divisors (5805705899).

12012001222201 is an equidigital number, since it uses as much as digits as its factorization.

12012001222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5805705898.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12012001222201 its reverse (10222210021021), we get a palindrome (22234211243222).

The spelling of 12012001222201 in words is "twelve trillion, twelve billion, one million, two hundred twenty-two thousand, two hundred one".