12210012233 has 4 divisors (see below), whose sum is σ = 12210237060. Its totient is φ = 12209787408.

The previous prime is 12210012209. The next prime is 12210012251. The reversal of 12210012233 is 33221001221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11541634624 + 668377609 = 107432^2 + 25853^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210012233 - 2⁸ = 12210011977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12210012293) 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, 25223 + ... + 158291.

It is an arithmetic number, because the mean of its divisors is an integer number (3052559265).

Almost surely, 2^12210012233 is an apocalyptic number.

It is an amenable number.

12210012233 is a deficient number, since it is larger than the sum of its proper divisors (224827).

12210012233 is an equidigital number, since it uses as much as digits as its factorization.

12210012233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224826.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12210012233 its reverse (33221001221), we get a palindrome (45431013454).

The spelling of 12210012233 in words is "twelve billion, two hundred ten million, twelve thousand, two hundred thirty-three".