110220120012 has 72 divisors (see below), whose sum is σ = 272358008496. Its totient is φ = 34687161216.

The previous prime is 110220119983. The next prime is 110220120053. The reversal of 110220120012 is 210021022011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 110220120012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1225858 + ... + 1312694.

It is an arithmetic number, because the mean of its divisors is an integer number (3782750118).

Almost surely, 2^110220120012 is an apocalyptic number.

110220120012 is a gapful number since it is divisible by the number (12) 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 110220120012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136179004248).

110220120012 is an abundant number, since it is smaller than the sum of its proper divisors (162137888484).

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

110220120012 is a wasteful number, since it uses less digits than its factorization.

110220120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87175 (or 87154 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 110220120012 its reverse (210021022011), we get a palindrome (320241142023).

The spelling of 110220120012 in words is "one hundred ten billion, two hundred twenty million, one hundred twenty thousand, twelve".