12012122122110 has 64 divisors (see below), whose sum is σ = 34944355272960. Its totient is φ = 2912029604640.

The previous prime is 12012122122073. The next prime is 12012122122153. The reversal of 12012122122110 is 1122122121021.

12012122122110 is a `hidden beast` number, since 1 + 201 + 21 + 221 + 221 + 1 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 2022239812 + ... + 2022245751.

It is an arithmetic number, because the mean of its divisors is an integer number (546005551140).

Almost surely, 2^{12012122122110} is an apocalyptic number.

12012122122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012122122110 is an abundant number, since it is smaller than the sum of its proper divisors (22932233150850).

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

12012122122110 is a wasteful number, since it uses less digits than its factorization.

12012122122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044485590 (or 4044485584 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12012122122110 its reverse (1122122121021), we get a palindrome (13134244243131).

The spelling of 12012122122110 in words is "twelve trillion, twelve billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred ten".