2112210101212 has 12 divisors (see below), whose sum is σ = 3696377894440. Its totient is φ = 1056102131376.

The previous prime is 2112210101203. The next prime is 2112210101231. The reversal of 2112210101212 is 2121010122112.

It is a super-2 number, since 2×2112210101212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 2250214 + ... + 3047602.

Almost surely, 2^{2112210101212} is an apocalyptic number.

It is an amenable number.

2112210101212 is a deficient number, since it is larger than the sum of its proper divisors (1584167793228).

2112210101212 is a wasteful number, since it uses less digits than its factorization.

2112210101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459620 (or 1459618 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2112210101212 its reverse (2121010122112), we get a palindrome (4233220223324).

The spelling of 2112210101212 in words is "two trillion, one hundred twelve billion, two hundred ten million, one hundred one thousand, two hundred twelve".