12122321023020 has 192 divisors, whose sum is σ = 36659223054720. Its totient is φ = 2975328018432.

The previous prime is 12122321022983. The next prime is 12122321023049. The reversal of 12122321023020 is 2032012322121.

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 63 ways as a sum of consecutive naturals, for example, 1092784594 + ... + 1092795686.

It is an arithmetic number, because the mean of its divisors is an integer number (190933453410).

Almost surely, 2^{12122321023020} is an apocalyptic number.

12122321023020 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 12122321023020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18329611527360).

12122321023020 is an abundant number, since it is smaller than the sum of its proper divisors (24536902031700).

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

12122321023020 is a wasteful number, since it uses less digits than its factorization.

12122321023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15044 (or 15042 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12122321023020 its reverse (2032012322121), we get a palindrome (14154333345141).

The spelling of 12122321023020 in words is "twelve trillion, one hundred twenty-two billion, three hundred twenty-one million, twenty-three thousand, twenty".