12012122021022 has 64 divisors (see below), whose sum is σ = 26708281632000. Its totient is φ = 4001839823520.

The previous prime is 12012122020853. The next prime is 12012122021041. The reversal of 12012122021022 is 22012022121021.

It is a happy number.

12012122021022 is a `hidden beast` number, since 1 + 201 + 212 + 20 + 210 + 22 = 666.

It is a super-4 number, since 4×12012122021022⁴ (a number of 53 digits) contains 4444 as substring.

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 = 12012122020986 and 12012122021004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1189431729 + ... + 1189441827.

It is an arithmetic number, because the mean of its divisors is an integer number (417316900500).

Almost surely, 2^{12012122021022} is an apocalyptic number.

12012122021022 is an abundant number, since it is smaller than the sum of its proper divisors (14696159610978).

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

12012122021022 is a wasteful number, since it uses less digits than its factorization.

12012122021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20038 (or 20032 counting only the distinct ones).

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

Adding to 12012122021022 its reverse (22012022121021), we get a palindrome (34024144142043).

Subtracting 12012122021022 from its reverse (22012022121021), we obtain a palindrome (9999900099999).

The spelling of 12012122021022 in words is "twelve trillion, twelve billion, one hundred twenty-two million, twenty-one thousand, twenty-two".