12230312211320 has 128 divisors (see below), whose sum is σ = 32915888317440. Its totient is φ = 3998816363520.

The previous prime is 12230312211287. The next prime is 12230312211329. The reversal of 12230312211320 is 2311221303221.

It is a super-2 number, since 2×12230312211320² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230312211329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 737117 + ... + 5000396.

It is an arithmetic number, because the mean of its divisors is an integer number (257155377480).

Almost surely, 2^{12230312211320} is an apocalyptic number.

12230312211320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12230312211320 is an abundant number, since it is smaller than the sum of its proper divisors (20685576106120).

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

12230312211320 is a wasteful number, since it uses less digits than its factorization.

12230312211320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5737885 (or 5737881 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12230312211320 its reverse (2311221303221), we get a palindrome (14541533514541).

The spelling of 12230312211320 in words is "twelve trillion, two hundred thirty billion, three hundred twelve million, two hundred eleven thousand, three hundred twenty".