2112102211212 has 72 divisors (see below), whose sum is σ = 6178864473600. Its totient is φ = 595819063008.

The previous prime is 2112102211169. The next prime is 2112102211237. The reversal of 2112102211212 is 2121122012112.

2112102211212 is a `hidden beast` number, since 21 + 1 + 210 + 221 + 1 + 212 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53026662 + ... + 53066477.

Almost surely, 2^{2112102211212} is an apocalyptic number.

It is an amenable number.

2112102211212 is an abundant number, since it is smaller than the sum of its proper divisors (4066762262388).

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

2112102211212 is a wasteful number, since it uses less digits than its factorization.

2112102211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106093235 (or 106093230 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2112102211212 its reverse (2121122012112), we get a palindrome (4233224223324).

The spelling of 2112102211212 in words is "two trillion, one hundred twelve billion, one hundred two million, two hundred eleven thousand, two hundred twelve".