12302200320 has 80 divisors (see below), whose sum is σ = 39328621200. Its totient is φ = 3280584704.

The previous prime is 12302200291. The next prime is 12302200333. The reversal of 12302200320 is 2300220321.

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

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12302200320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793245 + ... + 808604.

It is an arithmetic number, because the mean of its divisors is an integer number (491607765).

Almost surely, 2^12302200320 is an apocalyptic number.

12302200320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12302200320 is an abundant number, since it is smaller than the sum of its proper divisors (27026420880).

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

12302200320 is an equidigital number, since it uses as much as digits as its factorization.

12302200320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601875 (or 1601859 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 12302200320 its reverse (2300220321), we get a palindrome (14602420641).

The spelling of 12302200320 in words is "twelve billion, three hundred two million, two hundred thousand, three hundred twenty".