12213310231320 has 128 divisors (see below), whose sum is σ = 40452410154240. Its totient is φ = 2925130135040.

The previous prime is 12213310231313. The next prime is 12213310231321. The reversal of 12213310231320 is 2313201331221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213310231321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55628439 + ... + 55847558.

It is an arithmetic number, because the mean of its divisors is an integer number (316034454330).

Almost surely, 2^{12213310231320} is an apocalyptic number.

12213310231320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12213310231320 is an abundant number, since it is smaller than the sum of its proper divisors (28239099922920).

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

12213310231320 is a wasteful number, since it uses less digits than its factorization.

12213310231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111476105 (or 111476101 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12213310231320 its reverse (2313201331221), we get a palindrome (14526511562541).

The spelling of 12213310231320 in words is "twelve trillion, two hundred thirteen billion, three hundred ten million, two hundred thirty-one thousand, three hundred twenty".