222112110012 has 96 divisors (see below), whose sum is σ = 599054766912. Its totient is φ = 63440879616.

The previous prime is 222112109987. The next prime is 222112110023. The reversal of 222112110012 is 210011211222.

It is a junction number, because it is equal to n+sod(n) for n = 222112109973 and 222112110000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 380053 + ... + 767244.

It is an arithmetic number, because the mean of its divisors is an integer number (6240153822).

Almost surely, 2^222112110012 is an apocalyptic number.

It is an amenable number.

222112110012 is an abundant number, since it is smaller than the sum of its proper divisors (376942656900).

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

222112110012 is a wasteful number, since it uses less digits than its factorization.

222112110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147407 (or 1147405 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222112110012 its reverse (210011211222), we get a palindrome (432123321234).

The spelling of 222112110012 in words is "two hundred twenty-two billion, one hundred twelve million, one hundred ten thousand, twelve".