12104404531 has 2 divisors, whose sum is σ = 12104404532. Its totient is φ = 12104404530.

The previous prime is 12104404483. The next prime is 12104404561. The reversal of 12104404531 is 13540440121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12104404531 - 2²⁹ = 11567533619 is a prime.

It is a super-2 number, since 2×12104404531² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12104404496 and 12104404505.

It is not a weakly prime, because it can be changed into another prime (12104404561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6052202265 + 6052202266.

It is an arithmetic number, because the mean of its divisors is an integer number (6052202266).

Almost surely, 2^12104404531 is an apocalyptic number.

12104404531 is a deficient number, since it is larger than the sum of its proper divisors (1).

12104404531 is an equidigital number, since it uses as much as digits as its factorization.

12104404531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 12104404531 its reverse (13540440121), we get a palindrome (25644844652).

The spelling of 12104404531 in words is "twelve billion, one hundred four million, four hundred four thousand, five hundred thirty-one".