12103013320 has 32 divisors (see below), whose sum is σ = 28833651000. Its totient is φ = 4556428288.

The previous prime is 12103013291. The next prime is 12103013339. The reversal of 12103013320 is 2331030121.

It can be written as a sum of positive squares in 4 ways, for example, as 8657558116 + 3445455204 = 93046^2 + 58698^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12103013294 and 12103013303.

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, 8898595 + ... + 8899954.

Almost surely, 2^12103013320 is an apocalyptic number.

12103013320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103013320 is an abundant number, since it is smaller than the sum of its proper divisors (16730637680).

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

12103013320 is a wasteful number, since it uses less digits than its factorization.

12103013320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17798577 (or 17798573 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12103013320 its reverse (2331030121), we get a palindrome (14434043441).

The spelling of 12103013320 in words is "twelve billion, one hundred three million, thirteen thousand, three hundred twenty".