12104244243 has 36 divisors (see below), whose sum is σ = 21636909840. Its totient is φ = 6384650688.

The previous prime is 12104244233. The next prime is 12104244263. The reversal of 12104244243 is 34244240121.

12104244243 is a `hidden beast` number, since 1 + 210 + 4 + 2 + 442 + 4 + 3 = 666.

It is not a de Polignac number, because 12104244243 - 2⁵ = 12104244211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12104244233) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 557788 + ... + 579081.

Almost surely, 2^12104244243 is an apocalyptic number.

12104244243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12104244243 is a deficient number, since it is larger than the sum of its proper divisors (9532665597).

12104244243 is a wasteful number, since it uses less digits than its factorization.

12104244243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136908 (or 1136892 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 12104244243 its reverse (34244240121), we get a palindrome (46348484364).

The spelling of 12104244243 in words is "twelve billion, one hundred four million, two hundred forty-four thousand, two hundred forty-three".