12821214059 has 4 divisors (see below), whose sum is σ = 12825068760. Its totient is φ = 12817359360.

The previous prime is 12821214031. The next prime is 12821214101. The reversal of 12821214059 is 95041212821.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12821214059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12821211059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1922357 + ... + 1929014.

It is an arithmetic number, because the mean of its divisors is an integer number (3206267190).

Almost surely, 2^12821214059 is an apocalyptic number.

12821214059 is a deficient number, since it is larger than the sum of its proper divisors (3854701).

12821214059 is an equidigital number, since it uses as much as digits as its factorization.

12821214059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3854700.

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 12821214059 in words is "twelve billion, eight hundred twenty-one million, two hundred fourteen thousand, fifty-nine".