12616204539 has 4 divisors (see below), whose sum is σ = 16821606056. Its totient is φ = 8410803024.

The previous prime is 12616204519. The next prime is 12616204583. The reversal of 12616204539 is 93540261621.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12616204539 - 2¹¹ = 12616202491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12616204497 and 12616204506.

It is not an unprimeable number, because it can be changed into a prime (12616204519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2102700754 + ... + 2102700759.

It is an arithmetic number, because the mean of its divisors is an integer number (4205401514).

Almost surely, 2^12616204539 is an apocalyptic number.

12616204539 is a deficient number, since it is larger than the sum of its proper divisors (4205401517).

12616204539 is an equidigital number, since it uses as much as digits as its factorization.

12616204539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4205401516.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 12616204539 in words is "twelve billion, six hundred sixteen million, two hundred four thousand, five hundred thirty-nine".