2212022221012 has 12 divisors (see below), whose sum is σ = 3871053203220. Its totient is φ = 1106007020096.

The previous prime is 2212022221001. The next prime is 2212022221067. The reversal of 2212022221012 is 2101222202122.

It can be written as a sum of positive squares in 2 ways, for example, as 987467513796 + 1224554707216 = 993714^2 + 1106596^2 .

It is a super-2 number, since 2×2212022221012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 420408 + ... + 2144944.

It is an arithmetic number, because the mean of its divisors is an integer number (322587766935).

Almost surely, 2^{2212022221012} is an apocalyptic number.

It is an amenable number.

2212022221012 is a deficient number, since it is larger than the sum of its proper divisors (1659030982208).

2212022221012 is a wasteful number, since it uses less digits than its factorization.

2212022221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045210 (or 2045208 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2212022221012 its reverse (2101222202122), we get a palindrome (4313244423134).

The spelling of 2212022221012 in words is "two trillion, two hundred twelve billion, twenty-two million, two hundred twenty-one thousand, twelve".