12120220110012 has 24 divisors (see below), whose sum is σ = 32320586960256. Its totient is φ = 3462920031408.

The previous prime is 12120220109947. The next prime is 12120220110017. The reversal of 12120220110012 is 21001102202121.

12120220110012 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 = 12120220109973 and 12120220110000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120220110017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72144167238 + ... + 72144167405.

It is an arithmetic number, because the mean of its divisors is an integer number (1346691123344).

Almost surely, 2^{12120220110012} is an apocalyptic number.

12120220110012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12120220110012 is an abundant number, since it is smaller than the sum of its proper divisors (20200366850244).

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

12120220110012 is a wasteful number, since it uses less digits than its factorization.

12120220110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144288334657 (or 144288334655 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12120220110012 its reverse (21001102202121), we get a palindrome (33121322312133).

The spelling of 12120220110012 in words is "twelve trillion, one hundred twenty billion, two hundred twenty million, one hundred ten thousand, twelve".