12104254534 has 4 divisors (see below), whose sum is σ = 18156381804. Its totient is φ = 6052127266.

The previous prime is 12104254529. The next prime is 12104254537. The reversal of 12104254534 is 43545240121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43545240121 = 17 ⋅2561484713.

It is a junction number, because it is equal to n+sod(n) for n = 12104254496 and 12104254505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12104254537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3026063632 + ... + 3026063635.

It is an arithmetic number, because the mean of its divisors is an integer number (4539095451).

Almost surely, 2^12104254534 is an apocalyptic number.

12104254534 is a deficient number, since it is larger than the sum of its proper divisors (6052127270).

12104254534 is an equidigital number, since it uses as much as digits as its factorization.

12104254534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6052127269.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 12104254534 its reverse (43545240121), we get a palindrome (55649494655).

The spelling of 12104254534 in words is "twelve billion, one hundred four million, two hundred fifty-four thousand, five hundred thirty-four".