12111310333320 has 128 divisors (see below), whose sum is σ = 39672128592000. Its totient is φ = 2933474273280.

The previous prime is 12111310333303. The next prime is 12111310333327. The reversal of 12111310333320 is 2333301311121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12111310333327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2573155 + ... + 5553714.

It is an arithmetic number, because the mean of its divisors is an integer number (309938504625).

Almost surely, 2^{12111310333320} is an apocalyptic number.

12111310333320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12111310333320 is an abundant number, since it is smaller than the sum of its proper divisors (27560818258680).

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

12111310333320 is a wasteful number, since it uses less digits than its factorization.

12111310333320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8128023 (or 8128019 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 12111310333320 its reverse (2333301311121), we get a palindrome (14444611644441).

The spelling of 12111310333320 in words is "twelve trillion, one hundred eleven billion, three hundred ten million, three hundred thirty-three thousand, three hundred twenty".