12211240010401 has 2 divisors, whose sum is σ = 12211240010402. Its totient is φ = 12211240010400.

The previous prime is 12211240010381. The next prime is 12211240010447. The reversal of 12211240010401 is 10401004211221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9288012045376 + 2923227965025 = 3047624^2 + 1709745^2 .

It is a cyclic number.

It is not a de Polignac number, because 12211240010401 - 2¹³ = 12211240002209 is a prime.

It is a super-2 number, since 2×12211240010401² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12211240019401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105620005200 + 6105620005201.

It is an arithmetic number, because the mean of its divisors is an integer number (6105620005201).

Almost surely, 2^{12211240010401} is an apocalyptic number.

It is an amenable number.

12211240010401 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211240010401 is an equidigital number, since it uses as much as digits as its factorization.

12211240010401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12211240010401 its reverse (10401004211221), we get a palindrome (22612244221622).

The spelling of 12211240010401 in words is "twelve trillion, two hundred eleven billion, two hundred forty million, ten thousand, four hundred one".