12816554339 has 12 divisors (see below), whose sum is σ = 13424628000. Its totient is φ = 12234970704.

The previous prime is 12816554327. The next prime is 12816554351. The reversal of 12816554339 is 93345561821.

It is an interprime number because it is at equal distance from previous prime (12816554327) and next prime (12816554351).

It is not a de Polignac number, because 12816554339 - 2⁴ = 12816554323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12816554293 and 12816554302.

It is not an unprimeable number, because it can be changed into a prime (12816554539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245462 + ... + 293060.

It is an arithmetic number, because the mean of its divisors is an integer number (1118719000).

Almost surely, 2^12816554339 is an apocalyptic number.

12816554339 is a deficient number, since it is larger than the sum of its proper divisors (608073661).

12816554339 is an equidigital number, since it uses as much as digits as its factorization.

12816554339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48154 (or 48131 counting only the distinct ones).

The product of its digits is 777600, while the sum is 47.

The spelling of 12816554339 in words is "twelve billion, eight hundred sixteen million, five hundred fifty-four thousand, three hundred thirty-nine".