212200422120 has 96 divisors (see below), whose sum is σ = 690098409000. Its totient is φ = 56550099456.

The previous prime is 212200422113. The next prime is 212200422121. The reversal of 212200422120 is 21224002212.

212200422120 is a `hidden beast` number, since 2 + 1 + 220 + 0 + 422 + 1 + 20 = 666.

212200422120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 145788039684 + 66412382436 = 381822^2 + 257706^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212200422093 and 212200422102.

It is not an unprimeable number, because it can be changed into a prime (212200422121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 367374 + ... + 747906.

Almost surely, 2^212200422120 is an apocalyptic number.

212200422120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212200422120 is an abundant number, since it is smaller than the sum of its proper divisors (477897986880).

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

212200422120 is a wasteful number, since it uses less digits than its factorization.

212200422120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382099 (or 382092 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 212200422120 its reverse (21224002212), we get a palindrome (233424424332).

The spelling of 212200422120 in words is "two hundred twelve billion, two hundred million, four hundred twenty-two thousand, one hundred twenty".