12103442030 has 32 divisors (see below), whose sum is σ = 23517345600. Its totient is φ = 4471194112.

The previous prime is 12103441981. The next prime is 12103442069. The reversal of 12103442030 is 3024430121.

It is a junction number, because it is equal to n+sod(n) for n = 12103441993 and 12103442011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900635 + ... + 913974.

It is an arithmetic number, because the mean of its divisors is an integer number (734917050).

Almost surely, 2^12103442030 is an apocalyptic number.

12103442030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12103442030 is a deficient number, since it is larger than the sum of its proper divisors (11413903570).

12103442030 is a wasteful number, since it uses less digits than its factorization.

12103442030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814668.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12103442030 its reverse (3024430121), we get a palindrome (15127872151).

The spelling of 12103442030 in words is "twelve billion, one hundred three million, four hundred forty-two thousand, thirty".