12022202121020 has 384 divisors, whose sum is σ = 33046595592192. Its totient is φ = 3565165363200.

The previous prime is 12022202120987. The next prime is 12022202121047. The reversal of 12022202121020 is 2012120222021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 12022202121020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11774928110 + ... + 11774929130.

It is an arithmetic number, because the mean of its divisors is an integer number (86058842688).

Almost surely, 2^{12022202121020} is an apocalyptic number.

12022202121020 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 12022202121020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16523297796096).

12022202121020 is an abundant number, since it is smaller than the sum of its proper divisors (21024393471172).

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

12022202121020 is a wasteful number, since it uses less digits than its factorization.

12022202121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381 (or 2379 counting only the distinct ones).

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

Adding to 12022202121020 its reverse (2012120222021), we get a palindrome (14034322343041).

The spelling of 12022202121020 in words is "twelve trillion, twenty-two billion, two hundred two million, one hundred twenty-one thousand, twenty".