12020112222312 has 32 divisors (see below), whose sum is σ = 30081356395200. Its totient is φ = 4002560628864.

The previous prime is 12020112222299. The next prime is 12020112222319. The reversal of 12020112222312 is 21322221102021.

It is not an unprimeable number, because it can be changed into a prime (12020112222319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258941637 + ... + 258988052.

It is an arithmetic number, because the mean of its divisors is an integer number (940042387350).

Almost surely, 2^{12020112222312} is an apocalyptic number.

12020112222312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12020112222312 is an abundant number, since it is smaller than the sum of its proper divisors (18061244172888).

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

12020112222312 is a wasteful number, since it uses less digits than its factorization.

12020112222312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517930665 (or 517930661 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12020112222312 its reverse (21322221102021), we get a palindrome (33342333324333).

The spelling of 12020112222312 in words is "twelve trillion, twenty billion, one hundred twelve million, two hundred twenty-two thousand, three hundred twelve".