12021112314 has 64 divisors (see below), whose sum is σ = 27312140160. Its totient is φ = 3967218000.

The previous prime is 12021112307. The next prime is 12021112319. The reversal of 12021112314 is 41321112021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12021112319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 428169 + ... + 455379.

It is an arithmetic number, because the mean of its divisors is an integer number (426752190).

Almost surely, 2^12021112314 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12021112314, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13656070080).

12021112314 is an abundant number, since it is smaller than the sum of its proper divisors (15291027846).

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

12021112314 is an equidigital number, since it uses as much as digits as its factorization.

12021112314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27335 (or 27317 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12021112314 its reverse (41321112021), we get a palindrome (53342224335).

The spelling of 12021112314 in words is "twelve billion, twenty-one million, one hundred twelve thousand, three hundred fourteen".