12003210827 has 4 divisors (see below), whose sum is σ = 12004322640. Its totient is φ = 12002099016.

The previous prime is 12003210743. The next prime is 12003210829. The reversal of 12003210827 is 72801230021.

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 12003210827 - 2²⁰ = 12002162251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12003210796 and 12003210805.

It is not an unprimeable number, because it can be changed into a prime (12003210829) 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, 539552 + ... + 561357.

It is an arithmetic number, because the mean of its divisors is an integer number (3001080660).

Almost surely, 2^12003210827 is an apocalyptic number.

12003210827 is a deficient number, since it is larger than the sum of its proper divisors (1111813).

12003210827 is a wasteful number, since it uses less digits than its factorization.

12003210827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111812.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 12003210827 its reverse (72801230021), we get a palindrome (84804440848).

The spelling of 12003210827 in words is "twelve billion, three million, two hundred ten thousand, eight hundred twenty-seven".