12000121122022 has 16 divisors (see below), whose sum is σ = 20791653709392. Its totient is φ = 5133741656320.

The previous prime is 12000121121983. The next prime is 12000121122023. The reversal of 12000121122022 is 22022112100021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12000121121987 and 12000121122005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000121122023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16042942303 + ... + 16042943050.

It is an arithmetic number, because the mean of its divisors is an integer number (1299478356837).

Almost surely, 2^{12000121122022} is an apocalyptic number.

12000121122022 is a deficient number, since it is larger than the sum of its proper divisors (8791532587370).

12000121122022 is a wasteful number, since it uses less digits than its factorization.

12000121122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32085885383.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12000121122022 its reverse (22022112100021), we get a palindrome (34022233222043).

The spelling of 12000121122022 in words is "twelve trillion, one hundred twenty-one million, one hundred twenty-two thousand, twenty-two".