212112022010020 has 48 divisors (see below), whose sum is σ = 491389240003200. Its totient is φ = 76264996670720.

The previous prime is 212112022009997. The next prime is 212112022010047. The reversal of 212112022010020 is 20010220211212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212112022009976 and 212112022010003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5416528480 + ... + 5416567639.

It is an arithmetic number, because the mean of its divisors is an integer number (10237275833400).

Almost surely, 2^{212112022010020} is an apocalyptic number.

212112022010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212112022010020 is an abundant number, since it is smaller than the sum of its proper divisors (279277217993180).

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

212112022010020 is a wasteful number, since it uses less digits than its factorization.

212112022010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10833096228 (or 10833096226 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212112022010020 its reverse (20010220211212), we get a palindrome (232122242221232).

The spelling of 212112022010020 in words is "two hundred twelve trillion, one hundred twelve billion, twenty-two million, ten thousand, twenty".