12103032320 has 40 divisors (see below), whose sum is σ = 29018917224. Its totient is φ = 4841211904.

The previous prime is 12103032317. The next prime is 12103032323. The reversal of 12103032320 is 2323030121.

It is an interprime number because it is at equal distance from previous prime (12103032317) and next prime (12103032323).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103032323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2361314 + ... + 2366433.

Almost surely, 2^12103032320 is an apocalyptic number.

12103032320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103032320 is an abundant number, since it is smaller than the sum of its proper divisors (16915884904).

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

12103032320 is an frugal number, since it uses more digits than its factorization.

12103032320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4727770 (or 4727754 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12103032320 its reverse (2323030121), we get a palindrome (14426062441).

The spelling of 12103032320 in words is "twelve billion, one hundred three million, thirty-two thousand, three hundred twenty".