12220122001001 has 4 divisors (see below), whose sum is σ = 12265549964100. Its totient is φ = 12174694037904.

The previous prime is 12220122000953. The next prime is 12220122001013. The reversal of 12220122001001 is 10010022102221.

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 7114894725376 + 5105227275625 = 2667376^2 + 2259475^2 .

It is a cyclic number.

It is not a de Polignac number, because 12220122001001 - 2¹⁴ = 12220121984617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12220122001501) 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 3 ways as a sum of consecutive naturals, for example, 22713981146 + ... + 22713981683.

It is an arithmetic number, because the mean of its divisors is an integer number (3066387491025).

Almost surely, 2^{12220122001001} is an apocalyptic number.

It is an amenable number.

12220122001001 is a deficient number, since it is larger than the sum of its proper divisors (45427963099).

12220122001001 is an equidigital number, since it uses as much as digits as its factorization.

12220122001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45427963098.

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

Adding to 12220122001001 its reverse (10010022102221), we get a palindrome (22230144103222).

The spelling of 12220122001001 in words is "twelve trillion, two hundred twenty billion, one hundred twenty-two million, one thousand, one".