12616204541 has 4 divisors (see below), whose sum is σ = 12616984800. Its totient is φ = 12615424284.

The previous prime is 12616204519. The next prime is 12616204583. The reversal of 12616204541 is 14540261621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12616204541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12616204498 and 12616204507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12616204591) 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, 365351 + ... + 398388.

It is an arithmetic number, because the mean of its divisors is an integer number (3154246200).

Almost surely, 2^12616204541 is an apocalyptic number.

It is an amenable number.

12616204541 is a deficient number, since it is larger than the sum of its proper divisors (780259).

12616204541 is an equidigital number, since it uses as much as digits as its factorization.

12616204541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780258.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 12616204541 in words is "twelve billion, six hundred sixteen million, two hundred four thousand, five hundred forty-one".