212012000220 has 96 divisors (see below), whose sum is σ = 610521020928. Its totient is φ = 54932435712.

The previous prime is 212012000209. The next prime is 212012000237. The reversal of 212012000220 is 22000210212.

212012000220 is digitally balanced in base 3, 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 = 212012000196 and 212012000205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1548259 + ... + 1679621.

It is an arithmetic number, because the mean of its divisors is an integer number (6359593968).

Almost surely, 2^212012000220 is an apocalyptic number.

212012000220 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 212012000220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305260510464).

212012000220 is an abundant number, since it is smaller than the sum of its proper divisors (398509020708).

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

212012000220 is a wasteful number, since it uses less digits than its factorization.

212012000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132139 (or 132137 counting only the distinct ones).

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

Adding to 212012000220 its reverse (22000210212), we get a palindrome (234012210432).

The spelling of 212012000220 in words is "two hundred twelve billion, twelve million, two hundred twenty", and thus it is an aban number.