12020110120 has 64 divisors (see below), whose sum is σ = 27689040000. Its totient is φ = 4694692608.

The previous prime is 12020110093. The next prime is 12020110121. The reversal of 12020110120 is 2101102021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 12020110097 and 12020110106.

It is not an unprimeable number, because it can be changed into a prime (12020110121) 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, 334549 + ... + 368731.

It is an arithmetic number, because the mean of its divisors is an integer number (432641250).

Almost surely, 2^12020110120 is an apocalyptic number.

12020110120 is a gapful number since it is divisible by the number (10) 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 12020110120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13844520000).

12020110120 is an abundant number, since it is smaller than the sum of its proper divisors (15668929880).

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

12020110120 is a wasteful number, since it uses less digits than its factorization.

12020110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34402 (or 34398 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12020110120 its reverse (2101102021), we get a palindrome (14121212141).

It can be divided in two parts, 120201 and 10120, that added together give a 4-th power (130321 = 19⁴).

The spelling of 12020110120 in words is "twelve billion, twenty million, one hundred ten thousand, one hundred twenty".