12222312033 has 32 divisors (see below), whose sum is σ = 17344855296. Its totient is φ = 7638478848.

The previous prime is 12222312019. The next prime is 12222312041. The reversal of 12222312033 is 33021322221.

It is a happy number.

It is not a de Polignac number, because 12222312033 - 2⁴ = 12222312017 is a prime.

It is a super-2 number, since 2×12222312033² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12222311033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6058641 + ... + 6060657.

It is an arithmetic number, because the mean of its divisors is an integer number (542026728).

Almost surely, 2^12222312033 is an apocalyptic number.

It is an amenable number.

12222312033 is a deficient number, since it is larger than the sum of its proper divisors (5122543263).

12222312033 is a wasteful number, since it uses less digits than its factorization.

12222312033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12222312033 its reverse (33021322221), we get a palindrome (45243634254).

The spelling of 12222312033 in words is "twelve billion, two hundred twenty-two million, three hundred twelve thousand, thirty-three".