2212120522206 has 48 divisors (see below), whose sum is σ = 5492317225824. Its totient is φ = 630339959232.

The previous prime is 2212120522181. The next prime is 2212120522231. The reversal of 2212120522206 is 6022250212122.

It is a happy number.

2212120522206 is a `hidden beast` number, since 2 + 2 + 12 + 120 + 522 + 2 + 0 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (2212120522181) and next prime (2212120522231).

It is a super-2 number, since 2×2212120522206² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2212120522206.

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 23 ways as a sum of consecutive naturals, for example, 23487201 + ... + 23581196.

It is an arithmetic number, because the mean of its divisors is an integer number (114423275538).

Almost surely, 2^{2212120522206} is an apocalyptic number.

2212120522206 is an abundant number, since it is smaller than the sum of its proper divisors (3280196703618).

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

2212120522206 is a wasteful number, since it uses less digits than its factorization.

2212120522206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47068785 (or 47068782 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 2212120522206 its reverse (6022250212122), we get a palindrome (8234370734328).

The spelling of 2212120522206 in words is "two trillion, two hundred twelve billion, one hundred twenty million, five hundred twenty-two thousand, two hundred six".