12020212020 has 48 divisors (see below), whose sum is σ = 33870993408. Its totient is φ = 3184970880.

The previous prime is 12020211997. The next prime is 12020212033. The reversal of 12020212020 is 2021202021.

12020212020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 12020211987 and 12020212005.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 628596 + ... + 647435.

It is an arithmetic number, because the mean of its divisors is an integer number (705645696).

Almost surely, 2^12020212020 is an apocalyptic number.

12020212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020212020 is an abundant number, since it is smaller than the sum of its proper divisors (21850781388).

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

12020212020 is a wasteful number, since it uses less digits than its factorization.

12020212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276200 (or 1276198 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12020212020 its reverse (2021202021), we get a palindrome (14041414041).

Subtracting from 12020212020 its reverse (2021202021), we obtain a palindrome (9999009999).

The spelling of 12020212020 in words is "twelve billion, twenty million, two hundred twelve thousand, twenty".