12122022122112 has 64 divisors (see below), whose sum is σ = 36798995736000. Its totient is φ = 3463434891264.

The previous prime is 12122022122107. The next prime is 12122022122123. The reversal of 12122022122112 is 21122122022121.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 2254837737 + ... + 2254843112.

It is an arithmetic number, because the mean of its divisors is an integer number (574984308375).

Almost surely, 2^{12122022122112} is an apocalyptic number.

12122022122112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12122022122112 is an abundant number, since it is smaller than the sum of its proper divisors (24676973613888).

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

12122022122112 is an equidigital number, since it uses as much as digits as its factorization.

12122022122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4509680873 (or 4509680861 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 12122022122112 its reverse (21122122022121), we get a palindrome (33244144144233).

Subtracting 12122022122112 from its reverse (21122122022121), we obtain a palindrome (9000099900009).

The spelling of 12122022122112 in words is "twelve trillion, one hundred twenty-two billion, twenty-two million, one hundred twenty-two thousand, one hundred twelve".