12001121103320 has 32 divisors (see below), whose sum is σ = 27002621116800. Its totient is φ = 4800430906368.

The previous prime is 12001121103317. The next prime is 12001121103331. The reversal of 12001121103320 is 2330112110021.

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, 21016136 + ... + 21579624.

It is an arithmetic number, because the mean of its divisors is an integer number (843831909900).

Almost surely, 2^{12001121103320} is an apocalyptic number.

12001121103320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001121103320 is an abundant number, since it is smaller than the sum of its proper divisors (15001500013480).

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

12001121103320 is a wasteful number, since it uses less digits than its factorization.

12001121103320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095947 (or 1095943 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12001121103320 its reverse (2330112110021), we get a palindrome (14331233213341).

The spelling of 12001121103320 in words is "twelve trillion, one billion, one hundred twenty-one million, one hundred three thousand, three hundred twenty".