12022021121022 has 192 divisors, whose sum is σ = 31292741975040. Its totient is φ = 3295477094400.

The previous prime is 12022021120979. The next prime is 12022021121023. The reversal of 12022021121022 is 22012112022021.

It is a happy number.

12022021121022 is a `hidden beast` number, since 1 + 2 + 0 + 220 + 211 + 210 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12022021120986 and 12022021121004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022021121023) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6420198 + ... + 8078550.

It is an arithmetic number, because the mean of its divisors is an integer number (162983031120).

Almost surely, 2^{12022021121022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12022021121022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15646370987520).

12022021121022 is an abundant number, since it is smaller than the sum of its proper divisors (19270720854018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12022021121022 is a wasteful number, since it uses less digits than its factorization.

12022021121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658479 (or 1658476 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12022021121022 its reverse (22012112022021), we get a palindrome (34034133143043).

Subtracting 12022021121022 from its reverse (22012112022021), we obtain a palindrome (9990090900999).

The spelling of 12022021121022 in words is "twelve trillion, twenty-two billion, twenty-one million, one hundred twenty-one thousand, twenty-two".