12104132243 has 12 divisors (see below), whose sum is σ = 14908572072. Its totient is φ = 9764677440.

The previous prime is 12104132239. The next prime is 12104132251. The reversal of 12104132243 is 34223140121.

It is not a de Polignac number, because 12104132243 - 2² = 12104132239 is a prime.

It is a super-2 number, since 2×12104132243² (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 (12104132213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7264553 + ... + 7266218.

It is an arithmetic number, because the mean of its divisors is an integer number (1242381006).

Almost surely, 2^12104132243 is an apocalyptic number.

12104132243 is a deficient number, since it is larger than the sum of its proper divisors (2804439829).

12104132243 is a wasteful number, since it uses less digits than its factorization.

12104132243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14530802 (or 14530795 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12104132243 its reverse (34223140121), we get a palindrome (46327272364).

The spelling of 12104132243 in words is "twelve billion, one hundred four million, one hundred thirty-two thousand, two hundred forty-three".