12010220121001 has 2 divisors, whose sum is σ = 12010220121002. Its totient is φ = 12010220121000.

The previous prime is 12010220120957. The next prime is 12010220121047. The reversal of 12010220121001 is 10012102201021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7513360584601 + 4496859536400 = 2741051^2 + 2120580^2 .

It is a cyclic number.

It is not a de Polignac number, because 12010220121001 - 2³⁷ = 11872781167529 is a prime.

It is not a weakly prime, because it can be changed into another prime (12010220121071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005110060500 + 6005110060501.

It is an arithmetic number, because the mean of its divisors is an integer number (6005110060501).

Almost surely, 2^{12010220121001} is an apocalyptic number.

It is an amenable number.

12010220121001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12010220121001 is an equidigital number, since it uses as much as digits as its factorization.

12010220121001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12010220121001 its reverse (10012102201021), we get a palindrome (22022322322022).

The spelling of 12010220121001 in words is "twelve trillion, ten billion, two hundred twenty million, one hundred twenty-one thousand, one".