12920416259 has 4 divisors (see below), whose sum is σ = 12935816880. Its totient is φ = 12905015640.

The previous prime is 12920416183. The next prime is 12920416277. The reversal of 12920416259 is 95261402921.

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

It is a cyclic number.

It is not a de Polignac number, because 12920416259 - 2²⁰ = 12919367683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12920412259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7699052 + ... + 7700729.

It is an arithmetic number, because the mean of its divisors is an integer number (3233954220).

Almost surely, 2^12920416259 is an apocalyptic number.

12920416259 is a deficient number, since it is larger than the sum of its proper divisors (15400621).

12920416259 is an equidigital number, since it uses as much as digits as its factorization.

12920416259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15400620.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 12920416259 in words is "twelve billion, nine hundred twenty million, four hundred sixteen thousand, two hundred fifty-nine".