12120220002020 has 48 divisors (see below), whose sum is σ = 27424673282160. Its totient is φ = 4472818630656.

The previous prime is 12120220002001. The next prime is 12120220002029. The reversal of 12120220002020 is 2020002202121.

12120220002020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 75058465024 + 12045161536996 = 273968^2 + 3470614^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12120220001986 and 12120220002004.

It is not an unprimeable number, because it can be changed into a prime (12120220002029) 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, 11686685 + ... + 12681444.

It is an arithmetic number, because the mean of its divisors is an integer number (571347360045).

Almost surely, 2^{12120220002020} is an apocalyptic number.

12120220002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12120220002020 is an abundant number, since it is smaller than the sum of its proper divisors (15304453280140).

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

12120220002020 is a wasteful number, since it uses less digits than its factorization.

12120220002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24370064 (or 24370062 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12120220002020 its reverse (2020002202121), we get a palindrome (14140222204141).

The spelling of 12120220002020 in words is "twelve trillion, one hundred twenty billion, two hundred twenty million, two thousand, twenty".