112222210111212 has 24 divisors (see below), whose sum is σ = 263850692478912. Its totient is φ = 37121850672400.

The previous prime is 112222210111199. The next prime is 112222210111283. The reversal of 112222210111212 is 212111012222211.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35694085614 + ... + 35694088757.

It is an arithmetic number, because the mean of its divisors is an integer number (10993778853288).

Almost surely, 2^{112222210111212} is an apocalyptic number.

112222210111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112222210111212 is an abundant number, since it is smaller than the sum of its proper divisors (151628482367700).

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

112222210111212 is a wasteful number, since it uses less digits than its factorization.

112222210111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71388174509 (or 71388174507 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 112222210111212 its reverse (212111012222211), we get a palindrome (324333222333423).

The spelling of 112222210111212 in words is "one hundred twelve trillion, two hundred twenty-two billion, two hundred ten million, one hundred eleven thousand, two hundred twelve".