212022100120 has 16 divisors (see below), whose sum is σ = 477049725360. Its totient is φ = 84808840032.

The previous prime is 212022100093. The next prime is 212022100177. The reversal of 212022100120 is 21001220212.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 212022100120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2650276212 + ... + 2650276291.

It is an arithmetic number, because the mean of its divisors is an integer number (29815607835).

Almost surely, 2^212022100120 is an apocalyptic number.

212022100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212022100120 is an abundant number, since it is smaller than the sum of its proper divisors (265027625240).

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

212022100120 is a wasteful number, since it uses less digits than its factorization.

212022100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5300552514 (or 5300552510 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212022100120 its reverse (21001220212), we get a palindrome (233023320332).

The spelling of 212022100120 in words is "two hundred twelve billion, twenty-two million, one hundred thousand, one hundred twenty".