12011213203320 has 64 divisors (see below), whose sum is σ = 36033880112640. Its totient is φ = 3202968809600.

The previous prime is 12011213203291. The next prime is 12011213203331. The reversal of 12011213203320 is 2330231211021.

It is a congruent number.

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, 27003925 + ... + 27445115.

It is an arithmetic number, because the mean of its divisors is an integer number (563029376760).

Almost surely, 2^{12011213203320} is an apocalyptic number.

12011213203320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011213203320 is an abundant number, since it is smaller than the sum of its proper divisors (24022666909320).

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

12011213203320 is a wasteful number, since it uses less digits than its factorization.

12011213203320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668076 (or 668072 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12011213203320 its reverse (2330231211021), we get a palindrome (14341444414341).

The spelling of 12011213203320 in words is "twelve trillion, eleven billion, two hundred thirteen million, two hundred three thousand, three hundred twenty".