12103334440 has 32 divisors (see below), whose sum is σ = 28171557000. Its totient is φ = 4674390784.

The previous prime is 12103334423. The next prime is 12103334447. The reversal of 12103334440 is 4443330121.

It can be written as a sum of positive squares in 4 ways, for example, as 7465996836 + 4637337604 = 86406^2 + 68098^2 .

It is a super-2 number, since 2×12103334440² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12103334447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5215795 + ... + 5218114.

Almost surely, 2^12103334440 is an apocalyptic number.

12103334440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12103334440 is an abundant number, since it is smaller than the sum of its proper divisors (16068222560).

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

12103334440 is a wasteful number, since it uses less digits than its factorization.

12103334440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10433949 (or 10433945 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12103334440 its reverse (4443330121), we get a palindrome (16546664561).

The spelling of 12103334440 in words is "twelve billion, one hundred three million, three hundred thirty-four thousand, four hundred forty".