12213023302320 has 80 divisors (see below), whose sum is σ = 37871646059520. Its totient is φ = 3255836422912.

The previous prime is 12213023302309. The next prime is 12213023302321. The reversal of 12213023302320 is 2320332031221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×12213023302320² (a number of 27 digits) contains 22 as substring.

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 (12213023302321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6768654 + ... + 8380973.

It is an arithmetic number, because the mean of its divisors is an integer number (473395575744).

Almost surely, 2^{12213023302320} is an apocalyptic number.

12213023302320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12213023302320 is an abundant number, since it is smaller than the sum of its proper divisors (25658622757200).

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

12213023302320 is a wasteful number, since it uses less digits than its factorization.

12213023302320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15153002 (or 15152996 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 12213023302320 its reverse (2320332031221), we get a palindrome (14533355333541).

The spelling of 12213023302320 in words is "twelve trillion, two hundred thirteen billion, twenty-three million, three hundred two thousand, three hundred twenty".