12021011100233 has 4 divisors (see below), whose sum is σ = 12021902417280. Its totient is φ = 12020119783188.

The previous prime is 12021011100223. The next prime is 12021011100247. The reversal of 12021011100233 is 33200111012021.

12021011100233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12021011100233 - 2⁶ = 12021011100169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12021011100223) 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, 445638293 + ... + 445665266.

It is an arithmetic number, because the mean of its divisors is an integer number (3005475604320).

Almost surely, 2^{12021011100233} is an apocalyptic number.

It is an amenable number.

12021011100233 is a deficient number, since it is larger than the sum of its proper divisors (891317047).

12021011100233 is an equidigital number, since it uses as much as digits as its factorization.

12021011100233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891317046.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12021011100233 its reverse (33200111012021), we get a palindrome (45221122112254).

The spelling of 12021011100233 in words is "twelve trillion, twenty-one billion, eleven million, one hundred thousand, two hundred thirty-three".