12103434241 has 4 divisors (see below), whose sum is σ = 12124932912. Its totient is φ = 12081935572.

The previous prime is 12103434193. The next prime is 12103434251. The reversal of 12103434241 is 14243430121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14243430121 = 1481 ⋅9617441.

It is a cyclic number.

It is not a de Polignac number, because 12103434241 - 2³¹ = 9955950593 is a prime.

It is a super-2 number, since 2×12103434241² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12103434251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10748491 + ... + 10749616.

It is an arithmetic number, because the mean of its divisors is an integer number (3031233228).

Almost surely, 2^12103434241 is an apocalyptic number.

It is an amenable number.

12103434241 is a deficient number, since it is larger than the sum of its proper divisors (21498671).

12103434241 is an equidigital number, since it uses as much as digits as its factorization.

12103434241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21498670.

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

Adding to 12103434241 its reverse (14243430121), we get a palindrome (26346864362).

The spelling of 12103434241 in words is "twelve billion, one hundred three million, four hundred thirty-four thousand, two hundred forty-one".