12122112112000 has 512 divisors, whose sum is σ = 33978332044800. Its totient is φ = 4262630400000.

The previous prime is 12122112111983. The next prime is 12122112112063. The reversal of 12122112112000 is 21121122121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 764360071 + ... + 764375929.

It is an arithmetic number, because the mean of its divisors is an integer number (66363929775).

Almost surely, 2^{12122112112000} is an apocalyptic number.

12122112112000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12122112112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16989166022400).

12122112112000 is an abundant number, since it is smaller than the sum of its proper divisors (21856219932800).

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

12122112112000 is a wasteful number, since it uses less digits than its factorization.

12122112112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16043 (or 16021 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12122112112000 its reverse (21121122121), we get a palindrome (12143233234121).

It can be divided in two parts, 121221 and 12112000, that added together give a palindrome (12233221).

The spelling of 12122112112000 in words is "twelve trillion, one hundred twenty-two billion, one hundred twelve million, one hundred twelve thousand".