12122022222001 has 16 divisors (see below), whose sum is σ = 12812596977600. Its totient is φ = 11436717240000.

The previous prime is 12122022221999. The next prime is 12122022222059. The reversal of 12122022222001 is 10022222022121.

It is a cyclic number.

It is not a de Polignac number, because 12122022222001 - 2¹ = 12122022221999 is a prime.

It is a super-2 number, since 2×12122022222001² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12122022222001.

It is not an unprimeable number, because it can be changed into a prime (12122022222071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35794495 + ... + 36131563.

It is an arithmetic number, because the mean of its divisors is an integer number (800787311100).

Almost surely, 2^{12122022222001} is an apocalyptic number.

It is an amenable number.

12122022222001 is a deficient number, since it is larger than the sum of its proper divisors (690574755599).

12122022222001 is a wasteful number, since it uses less digits than its factorization.

12122022222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344880.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12122022222001 its reverse (10022222022121), we get a palindrome (22144244244122).

The spelling of 12122022222001 in words is "twelve trillion, one hundred twenty-two billion, twenty-two million, two hundred twenty-two thousand, one".