12122222021201 has 2 divisors, whose sum is σ = 12122222021202. Its totient is φ = 12122222021200.

The previous prime is 12122222021167. The next prime is 12122222021227. The reversal of 12122222021201 is 10212022222121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7157101676176 + 4965120345025 = 2675276^2 + 2228255^2 .

It is a cyclic number.

It is not a de Polignac number, because 12122222021201 - 2³⁸ = 11847344114257 is a prime.

It is not a weakly prime, because it can be changed into another prime (12122222021281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061111010600 + 6061111010601.

It is an arithmetic number, because the mean of its divisors is an integer number (6061111010601).

Almost surely, 2^{12122222021201} is an apocalyptic number.

It is an amenable number.

12122222021201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122222021201 is an equidigital number, since it uses as much as digits as its factorization.

12122222021201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12122222021201 its reverse (10212022222121), we get a palindrome (22334244243322).

The spelling of 12122222021201 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty-two million, twenty-one thousand, two hundred one".