12133033321220 has 48 divisors (see below), whose sum is σ = 29121400361088. Its totient is φ = 4159594225920.

The previous prime is 12133033321219. The next prime is 12133033321313. The reversal of 12133033321220 is 2212333033121.

It is a self number, because there is not a number n which added to its sum of digits gives 12133033321220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1221641 + ... + 5075280.

It is an arithmetic number, because the mean of its divisors is an integer number (606695840856).

Almost surely, 2^{12133033321220} is an apocalyptic number.

12133033321220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12133033321220 is an abundant number, since it is smaller than the sum of its proper divisors (16988367039868).

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

12133033321220 is a wasteful number, since it uses less digits than its factorization.

12133033321220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6310700 (or 6310698 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 12133033321220 its reverse (2212333033121), we get a palindrome (14345366354341).

The spelling of 12133033321220 in words is "twelve trillion, one hundred thirty-three billion, thirty-three million, three hundred twenty-one thousand, two hundred twenty".