12012222201201 has 60 divisors (see below), whose sum is σ = 19861716468132. Its totient is φ = 7209381003264.

The previous prime is 12012222201179. The next prime is 12012222201289. The reversal of 12012222201201 is 10210222221021.

It is a happy number.

12012222201201 is a `hidden beast` number, since 1 + 20 + 1 + 222 + 220 + 1 + 201 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8648592840801 + 3363629360400 = 2940849^2 + 1834020^2 .

It is not a de Polignac number, because 12012222201201 - 2¹³ = 12012222193009 is a prime.

It is a super-2 number, since 2×12012222201201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12012222208201) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 7516816 + ... + 8973681.

Almost surely, 2^{12012222201201} is an apocalyptic number.

It is an amenable number.

12012222201201 is a deficient number, since it is larger than the sum of its proper divisors (7849494266931).

12012222201201 is a wasteful number, since it uses less digits than its factorization.

12012222201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16490572 (or 16490540 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12012222201201 its reverse (10210222221021), we get a palindrome (22222444422222).

The spelling of 12012222201201 in words is "twelve trillion, twelve billion, two hundred twenty-two million, two hundred one thousand, two hundred one".