12222022000121 has 4 divisors (see below), whose sum is σ = 12359348090100. Its totient is φ = 12084695910144.

The previous prime is 12222022000103. The next prime is 12222022000157. The reversal of 12222022000121 is 12100022022221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2994765230521 + 9227256769600 = 1730539^2 + 3037640^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222022000121 - 2⁶ = 12222022000057 is a prime.

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 12222022000121.

It is not an unprimeable number, because it can be changed into a prime (12222022090121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68663044856 + ... + 68663045033.

It is an arithmetic number, because the mean of its divisors is an integer number (3089837022525).

Almost surely, 2^{12222022000121} is an apocalyptic number.

It is an amenable number.

12222022000121 is a deficient number, since it is larger than the sum of its proper divisors (137326089979).

12222022000121 is an equidigital number, since it uses as much as digits as its factorization.

12222022000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137326089978.

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

Adding to 12222022000121 its reverse (12100022022221), we get a palindrome (24322044022342).

The spelling of 12222022000121 in words is "twelve trillion, two hundred twenty-two billion, twenty-two million, one hundred twenty-one", and thus it is an aban number.