112222001212 has 24 divisors (see below), whose sum is σ = 205036858656. Its totient is φ = 53642654208.

The previous prime is 112222001209. The next prime is 112222001231. The reversal of 112222001212 is 212100222211.

It is a happy number.

It is a super-2 number, since 2×112222001212² (a number of 23 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 7 ways as a sum of consecutive naturals, for example, 153313 + ... + 497944.

It is an arithmetic number, because the mean of its divisors is an integer number (8543202444).

Almost surely, 2^112222001212 is an apocalyptic number.

It is an amenable number.

112222001212 is a deficient number, since it is larger than the sum of its proper divisors (92814857444).

112222001212 is a wasteful number, since it uses less digits than its factorization.

112222001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653157 (or 653155 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 112222001212 its reverse (212100222211), we get a palindrome (324322223423).

The spelling of 112222001212 in words is "one hundred twelve billion, two hundred twenty-two million, one thousand, two hundred twelve".