12122111001112 has 32 divisors (see below), whose sum is σ = 25977418780320. Its totient is φ = 5194897102080.

The previous prime is 12122111001109. The next prime is 12122111001137. The reversal of 12122111001112 is 21110011122121.

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, 5108839 + ... + 7095382.

It is an arithmetic number, because the mean of its divisors is an integer number (811794336885).

Almost surely, 2^{12122111001112} is an apocalyptic number.

It is an amenable number.

12122111001112 is an abundant number, since it is smaller than the sum of its proper divisors (13855307779208).

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

12122111001112 is a wasteful number, since it uses less digits than its factorization.

12122111001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12221971 (or 12221967 counting only the distinct ones).

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

Adding to 12122111001112 its reverse (21110011122121), we get a palindrome (33232122123233).

The spelling of 12122111001112 in words is "twelve trillion, one hundred twenty-two billion, one hundred eleven million, one thousand, one hundred twelve".