212112000020 has 48 divisors (see below), whose sum is σ = 447822587520. Its totient is φ = 84390305664.

The previous prime is 212112000017. The next prime is 212112000029. The reversal of 212112000020 is 20000211212.

It is a happy number.

212112000020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212111999965 and 212112000010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112000029) 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, 22212887 + ... + 22222433.

It is an arithmetic number, because the mean of its divisors is an integer number (9329637240).

Almost surely, 2^212112000020 is an apocalyptic number.

212112000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212112000020 is an abundant number, since it is smaller than the sum of its proper divisors (235710587500).

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

212112000020 is a wasteful number, since it uses less digits than its factorization.

212112000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15392 (or 15390 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 212112000020 its reverse (20000211212), we get a palindrome (232112211232).

The spelling of 212112000020 in words is "two hundred twelve billion, one hundred twelve million, twenty", and thus it is an aban number.