12011023231320 has 32 divisors (see below), whose sum is σ = 36033069694320. Its totient is φ = 3202939528320.

The previous prime is 12011023231301. The next prime is 12011023231369. The reversal of 12011023231320 is 2313232011021.

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, 50045930011 + ... + 50045930250.

Almost surely, 2^{12011023231320} is an apocalyptic number.

12011023231320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011023231320 is an abundant number, since it is smaller than the sum of its proper divisors (24022046463000).

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

12011023231320 is a wasteful number, since it uses less digits than its factorization.

12011023231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100091860275 (or 100091860271 counting only the distinct ones).

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

Adding to 12011023231320 its reverse (2313232011021), we get a palindrome (14324255242341).

The spelling of 12011023231320 in words is "twelve trillion, eleven billion, twenty-three million, two hundred thirty-one thousand, three hundred twenty".