12022122121020 has 96 divisors (see below), whose sum is σ = 40802353885440. Its totient is φ = 2914453846080.

The previous prime is 12022122121001. The next prime is 12022122121021. The reversal of 12022122121020 is 2012122122021.

It is a happy number.

12022122121020 is a `hidden beast` number, since 1 + 202 + 212 + 21 + 210 + 20 = 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 = 12022122120984 and 12022122121002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022122121021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1011957202 + ... + 1011969081.

It is an arithmetic number, because the mean of its divisors is an integer number (425024519640).

Almost surely, 2^{12022122121020} is an apocalyptic number.

12022122121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022122121020 is an abundant number, since it is smaller than the sum of its proper divisors (28780231764420).

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

12022122121020 is a wasteful number, since it uses less digits than its factorization.

12022122121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023926312 (or 2023926304 counting only the distinct ones).

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

Adding to 12022122121020 its reverse (2012122122021), we get a palindrome (14034244243041).

The spelling of 12022122121020 in words is "twelve trillion, twenty-two billion, one hundred twenty-two million, one hundred twenty-one thousand, twenty".