2012220110120 has 128 divisors (see below), whose sum is σ = 5025955996800. Its totient is φ = 718874956800.

The previous prime is 2012220110107. The next prime is 2012220110143. The reversal of 2012220110120 is 210110222102.

It is a junction number, because it is equal to n+sod(n) for n = 2012220110095 and 2012220110104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23011922 + ... + 23099198.

It is an arithmetic number, because the mean of its divisors is an integer number (39265281225).

Almost surely, 2^{2012220110120} is an apocalyptic number.

2012220110120 is a gapful number since it is divisible by the number (20) 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 2012220110120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2512977998400).

2012220110120 is an abundant number, since it is smaller than the sum of its proper divisors (3013735886680).

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

2012220110120 is a wasteful number, since it uses less digits than its factorization.

2012220110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88219 (or 88215 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2012220110120 its reverse (210110222102), we get a palindrome (2222330332222).

The spelling of 2012220110120 in words is "two trillion, twelve billion, two hundred twenty million, one hundred ten thousand, one hundred twenty".