212224424422212 has 36 divisors (see below), whose sum is σ = 541203583824540. Its totient is φ = 70115444055552.

The previous prime is 212224424422169. The next prime is 212224424422343.

212224424422212 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 2 + 4 + 424 + 4 + 2 + 221 + 2 = 666.

212224424422212 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 7786644687936 + 204437779734276 = 2790456^2 + 14298174^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

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 11 ways as a sum of consecutive naturals, for example, 26084610537 + ... + 26084618672.

It is an arithmetic number, because the mean of its divisors is an integer number (15033432884015).

Almost surely, 2^{212224424422212} is an apocalyptic number.

It is an amenable number.

212224424422212 is an abundant number, since it is smaller than the sum of its proper divisors (328979159402328).

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

212224424422212 is a wasteful number, since it uses less digits than its factorization.

212224424422212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52169229332 (or 52169229327 counting only the distinct ones).

The product of its digits is 131072, while the sum is 36.

The spelling of 212224424422212 in words is "two hundred twelve trillion, two hundred twenty-four billion, four hundred twenty-four million, four hundred twenty-two thousand, two hundred twelve".