212012110001112 has 32 divisors (see below), whose sum is σ = 534892938082800. Its totient is φ = 70022348256384.

The previous prime is 212012110001039. The next prime is 212012110001119. The reversal of 212012110001112 is 211100011210212.

It is a happy number.

It is a super-2 number, since 2×212012110001112² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212012110001091 and 212012110001100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012110001119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40522189663 + ... + 40522194894.

Almost surely, 2^{212012110001112} is an apocalyptic number.

It is an amenable number.

212012110001112 is an abundant number, since it is smaller than the sum of its proper divisors (322880828081688).

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

212012110001112 is a wasteful number, since it uses less digits than its factorization.

212012110001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81044384675 (or 81044384671 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212012110001112 its reverse (211100011210212), we get a palindrome (423112121211324).

The spelling of 212012110001112 in words is "two hundred twelve trillion, twelve billion, one hundred ten million, one thousand, one hundred twelve".