12000122112220 has 48 divisors (see below), whose sum is σ = 27763378878816. Its totient is φ = 4320476000000.

The previous prime is 12000122112197. The next prime is 12000122112229. The reversal of 12000122112220 is 2221122100021.

It is a happy number.

12000122112220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12000122112194 and 12000122112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000122112229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270007531 + ... + 270051970.

It is an arithmetic number, because the mean of its divisors is an integer number (578403726642).

Almost surely, 2^{12000122112220} is an apocalyptic number.

12000122112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000122112220 is an abundant number, since it is smaller than the sum of its proper divisors (15763256766596).

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

12000122112220 is a wasteful number, since it uses less digits than its factorization.

12000122112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540059622 (or 540059620 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12000122112220 its reverse (2221122100021), we get a palindrome (14221244212241).

The spelling of 12000122112220 in words is "twelve trillion, one hundred twenty-two million, one hundred twelve thousand, two hundred twenty".