12012212220112 has 40 divisors (see below), whose sum is σ = 25144534396800. Its totient is φ = 5526271236480.

The previous prime is 12012212220109. The next prime is 12012212220157. The reversal of 12012212220112 is 21102221221021.

12012212220112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×12012212220112³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12012212220112.

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, 92782612 + ... + 92911987.

It is an arithmetic number, because the mean of its divisors is an integer number (628613359920).

Almost surely, 2^{12012212220112} is an apocalyptic number.

It is an amenable number.

12012212220112 is an abundant number, since it is smaller than the sum of its proper divisors (13132322176688).

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

12012212220112 is a wasteful number, since it uses less digits than its factorization.

12012212220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185694931 (or 185694925 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12012212220112 its reverse (21102221221021), we get a palindrome (33114433441133).

Subtracting 12012212220112 from its reverse (21102221221021), we obtain a palindrome (9090009000909).

The spelling of 12012212220112 in words is "twelve trillion, twelve billion, two hundred twelve million, two hundred twenty thousand, one hundred twelve".