12105303435 has 24 divisors (see below), whose sum is σ = 20995022880. Its totient is φ = 6452316672.

The previous prime is 12105303433. The next prime is 12105303451. The reversal of 12105303435 is 53430350121.

12105303435 is a `hidden beast` number, since 121 + 0 + 530 + 3 + 4 + 3 + 5 = 666.

It is not a de Polignac number, because 12105303435 - 2¹ = 12105303433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12105303399 and 12105303408.

It is not an unprimeable number, because it can be changed into a prime (12105303433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2895 + ... + 155624.

It is an arithmetic number, because the mean of its divisors is an integer number (874792620).

Almost surely, 2^12105303435 is an apocalyptic number.

12105303435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12105303435 is a deficient number, since it is larger than the sum of its proper divisors (8889719445).

12105303435 is a wasteful number, since it uses less digits than its factorization.

12105303435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160227 (or 160224 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 12105303435 its reverse (53430350121), we get a palindrome (65535653556).

The spelling of 12105303435 in words is "twelve billion, one hundred five million, three hundred three thousand, four hundred thirty-five".