2112212102212 has 12 divisors (see below), whose sum is σ = 3725476464640. Its totient is φ = 1047790255176.

The previous prime is 2112212102159. The next prime is 2112212102237. The reversal of 2112212102212 is 2122012122112.

It is a super-2 number, since 2×2112212102212² (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 2112212102212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2078948412 + ... + 2078949427.

Almost surely, 2^{2112212102212} is an apocalyptic number.

It is an amenable number.

2112212102212 is a deficient number, since it is larger than the sum of its proper divisors (1613264362428).

2112212102212 is a wasteful number, since it uses less digits than its factorization.

2112212102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4157897970 (or 4157897968 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2112212102212 its reverse (2122012122112), we get a palindrome (4234224224324).

The spelling of 2112212102212 in words is "two trillion, one hundred twelve billion, two hundred twelve million, one hundred two thousand, two hundred twelve".