112211001001212 has 12 divisors (see below), whose sum is σ = 261825669002856. Its totient is φ = 37403667000400.

The previous prime is 112211001001163. The next prime is 112211001001247. The reversal of 112211001001212 is 212100100112211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 112211001001191 and 112211001001200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4675458375039 + ... + 4675458375062.

It is an arithmetic number, because the mean of its divisors is an integer number (21818805750238).

Almost surely, 2^{112211001001212} is an apocalyptic number.

112211001001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112211001001212 is an abundant number, since it is smaller than the sum of its proper divisors (149614668001644).

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

112211001001212 is a wasteful number, since it uses less digits than its factorization.

112211001001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9350916750108 (or 9350916750106 counting only the distinct ones).

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

Adding to 112211001001212 its reverse (212100100112211), we get a palindrome (324311101113423).

The spelling of 112211001001212 in words is "one hundred twelve trillion, two hundred eleven billion, one million, one thousand, two hundred twelve".