12122202401 has 2 divisors, whose sum is σ = 12122202402. Its totient is φ = 12122202400.

The previous prime is 12122202349. The next prime is 12122202413. The reversal of 12122202401 is 10420222121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6793056400 + 5329146001 = 82420^2 + 73001^2 .

It is a cyclic number.

It is not a de Polignac number, because 12122202401 - 2¹⁴ = 12122186017 is a prime.

It is a super-3 number, since 3×12122202401³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12122202401.

It is not a weakly prime, because it can be changed into another prime (12122292401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061101200 + 6061101201.

It is an arithmetic number, because the mean of its divisors is an integer number (6061101201).

Almost surely, 2^12122202401 is an apocalyptic number.

It is an amenable number.

12122202401 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122202401 is an equidigital number, since it uses as much as digits as its factorization.

12122202401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12122202401 its reverse (10420222121), we get a palindrome (22542424522).

The spelling of 12122202401 in words is "twelve billion, one hundred twenty-two million, two hundred two thousand, four hundred one".