12122222022201 has 96 divisors (see below), whose sum is σ = 18146874493440. Its totient is φ = 7173103392000.

The previous prime is 12122222022143. The next prime is 12122222022227. The reversal of 12122222022201 is 10222022222121.

It is not a de Polignac number, because 12122222022201 - 2⁷ = 12122222022073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12122222022601) 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 95 ways as a sum of consecutive naturals, for example, 294186666 + ... + 294227868.

It is an arithmetic number, because the mean of its divisors is an integer number (189029942640).

Almost surely, 2^{12122222022201} is an apocalyptic number.

It is an amenable number.

12122222022201 is a deficient number, since it is larger than the sum of its proper divisors (6024652471239).

12122222022201 is a wasteful number, since it uses less digits than its factorization.

12122222022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41459 (or 41428 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12122222022201 its reverse (10222022222121), we get a palindrome (22344244244322).

The spelling of 12122222022201 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty-two million, twenty-two thousand, two hundred one".