12022021100120 has 128 divisors (see below), whose sum is σ = 27456208416000. Its totient is φ = 4736812953600.

The previous prime is 12022021100093. The next prime is 12022021100147. The reversal of 12022021100120 is 2100112022021.

It is an interprime number because it is at equal distance from previous prime (12022021100093) and next prime (12022021100147).

It is a junction number, because it is equal to n+sod(n) for n = 12022021100095 and 12022021100104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3564190754 + ... + 3564194126.

It is an arithmetic number, because the mean of its divisors is an integer number (214501628250).

Almost surely, 2^{12022021100120} is an apocalyptic number.

12022021100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12022021100120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13728104208000).

12022021100120 is an abundant number, since it is smaller than the sum of its proper divisors (15434187315880).

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

12022021100120 is a wasteful number, since it uses less digits than its factorization.

12022021100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5773 (or 5769 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12022021100120 its reverse (2100112022021), we get a palindrome (14122133122141).

The spelling of 12022021100120 in words is "twelve trillion, twenty-two billion, twenty-one million, one hundred thousand, one hundred twenty".