12222022111112 has 64 divisors (see below), whose sum is σ = 25248507935040. Its totient is φ = 5500155744000.

The previous prime is 12222022111067. The next prime is 12222022111139. The reversal of 12222022111112 is 21111122022221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262946018 + ... + 262992494.

It is an arithmetic number, because the mean of its divisors is an integer number (394507936485).

Almost surely, 2^{12222022111112} is an apocalyptic number.

It is an amenable number.

12222022111112 is an abundant number, since it is smaller than the sum of its proper divisors (13026485823928).

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

12222022111112 is a wasteful number, since it uses less digits than its factorization.

12222022111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76182 (or 76178 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12222022111112 its reverse (21111122022221), we get a palindrome (33333144133333).

The spelling of 12222022111112 in words is "twelve trillion, two hundred twenty-two billion, twenty-two million, one hundred eleven thousand, one hundred twelve".