12021320233203 has 4 divisors (see below), whose sum is σ = 16028426977608. Its totient is φ = 8014213488800.

The previous prime is 12021320233177. The next prime is 12021320233207. The reversal of 12021320233203 is 30233202312021.

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 12021320233203 - 2¹⁰ = 12021320232179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12021320233207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2003553372198 + ... + 2003553372203.

It is an arithmetic number, because the mean of its divisors is an integer number (4007106744402).

Almost surely, 2^{12021320233203} is an apocalyptic number.

12021320233203 is a deficient number, since it is larger than the sum of its proper divisors (4007106744405).

12021320233203 is an equidigital number, since it uses as much as digits as its factorization.

12021320233203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007106744404.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 12021320233203 its reverse (30233202312021), we get a palindrome (42254522545224).

The spelling of 12021320233203 in words is "twelve trillion, twenty-one billion, three hundred twenty million, two hundred thirty-three thousand, two hundred three".