12820087563203 has 4 divisors (see below), whose sum is σ = 12820099494048. Its totient is φ = 12820075632360.

The previous prime is 12820087563169. The next prime is 12820087563209. The reversal of 12820087563203 is 30236578002821.

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 12820087563203 - 2⁶ = 12820087563139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12820087563209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4174376 + ... + 6562437.

It is an arithmetic number, because the mean of its divisors is an integer number (3205024873512).

Almost surely, 2^{12820087563203} is an apocalyptic number.

12820087563203 is a deficient number, since it is larger than the sum of its proper divisors (11930845).

12820087563203 is a wasteful number, since it uses less digits than its factorization.

12820087563203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11930844.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 12820087563203 in words is "twelve trillion, eight hundred twenty billion, eighty-seven million, five hundred sixty-three thousand, two hundred three".