12002231121320 has 32 divisors (see below), whose sum is σ = 29460021844320. Its totient is φ = 4364447680320.

The previous prime is 12002231121271. The next prime is 12002231121359. The reversal of 12002231121320 is 2312113220021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12002231121292 and 12002231121301.

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, 13638898562 + ... + 13638899441.

It is an arithmetic number, because the mean of its divisors is an integer number (920625682635).

Almost surely, 2^{12002231121320} is an apocalyptic number.

12002231121320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002231121320 is an abundant number, since it is smaller than the sum of its proper divisors (17457790723000).

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

12002231121320 is a wasteful number, since it uses less digits than its factorization.

12002231121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27277798025 (or 27277798021 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12002231121320 its reverse (2312113220021), we get a palindrome (14314344341341).

The spelling of 12002231121320 in words is "twelve trillion, two billion, two hundred thirty-one million, one hundred twenty-one thousand, three hundred twenty".