12103441234 has 4 divisors (see below), whose sum is σ = 18155161854. Its totient is φ = 6051720616.

The previous prime is 12103441223. The next prime is 12103441241. The reversal of 12103441234 is 43214430121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10230715609 + 1872725625 = 101147^2 + 43275^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12103441199 and 12103441208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3025860307 + ... + 3025860310.

Almost surely, 2^12103441234 is an apocalyptic number.

12103441234 is a deficient number, since it is larger than the sum of its proper divisors (6051720620).

12103441234 is an equidigital number, since it uses as much as digits as its factorization.

12103441234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6051720619.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12103441234 its reverse (43214430121), we get a palindrome (55317871355).

The spelling of 12103441234 in words is "twelve billion, one hundred three million, four hundred forty-one thousand, two hundred thirty-four".