12012112333122 has 256 divisors, whose sum is σ = 27880331673600. Its totient is φ = 3414853728000.

The previous prime is 12012112333087. The next prime is 12012112333141. The reversal of 12012112333122 is 22133321121021.

It is a junction number, because it is equal to n+sod(n) for n = 12012112333092 and 12012112333101.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 6156899247 + ... + 6156901197.

It is an arithmetic number, because the mean of its divisors is an integer number (108907545600).

Almost surely, 2^{12012112333122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12012112333122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13940165836800).

12012112333122 is an abundant number, since it is smaller than the sum of its proper divisors (15868219340478).

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

12012112333122 is a wasteful number, since it uses less digits than its factorization.

12012112333122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12012112333122 its reverse (22133321121021), we get a palindrome (34145433454143).

The spelling of 12012112333122 in words is "twelve trillion, twelve billion, one hundred twelve million, three hundred thirty-three thousand, one hundred twenty-two".