212012110000220 has 24 divisors (see below), whose sum is σ = 445226068527408. Its totient is φ = 84804722566400.

The previous prime is 212012110000219. The next prime is 212012110000237. The reversal of 212012110000220 is 22000011210212.

It is a junction number, because it is equal to n+sod(n) for n = 212012110000195 and 212012110000204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7454135 + ... + 21899505.

It is an arithmetic number, because the mean of its divisors is an integer number (18551086188642).

Almost surely, 2^{212012110000220} is an apocalyptic number.

212012110000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212012110000220 is an abundant number, since it is smaller than the sum of its proper divisors (233213958527188).

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

212012110000220 is a wasteful number, since it uses less digits than its factorization.

212012110000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15179221 (or 15179219 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212012110000220 its reverse (22000011210212), we get a palindrome (234012121210432).

The spelling of 212012110000220 in words is "two hundred twelve trillion, twelve billion, one hundred ten million, two hundred twenty", and thus it is an aban number.