12320102320 has 20 divisors (see below), whose sum is σ = 28644238080. Its totient is φ = 4928040896.

The previous prime is 12320102309. The next prime is 12320102357. The reversal of 12320102320 is 2320102321.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12320102294 and 12320102303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77000560 + ... + 77000719.

It is an arithmetic number, because the mean of its divisors is an integer number (1432211904).

Almost surely, 2^12320102320 is an apocalyptic number.

12320102320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12320102320 is an abundant number, since it is smaller than the sum of its proper divisors (16324135760).

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

12320102320 is a wasteful number, since it uses less digits than its factorization.

12320102320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154001292 (or 154001286 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12320102320 its reverse (2320102321), we get a palindrome (14640204641).

Subtracting from 12320102320 its reverse (2320102321), we obtain a palindrome (9999999999).

The spelling of 12320102320 in words is "twelve billion, three hundred twenty million, one hundred two thousand, three hundred twenty".