12221233023 has 16 divisors (see below), whose sum is σ = 16537164800. Its totient is φ = 8026651584.

The previous prime is 12221233009. The next prime is 12221233039. The reversal of 12221233023 is 32033212221.

It is a happy number.

It is not a de Polignac number, because 12221233023 - 2⁸ = 12221232767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221233723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161778 + ... + 224976.

It is an arithmetic number, because the mean of its divisors is an integer number (1033572800).

Almost surely, 2^12221233023 is an apocalyptic number.

12221233023 is a deficient number, since it is larger than the sum of its proper divisors (4315931777).

12221233023 is an equidigital number, since it uses as much as digits as its factorization.

12221233023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64158.

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

Adding to 12221233023 its reverse (32033212221), we get a palindrome (44254445244).

The spelling of 12221233023 in words is "twelve billion, two hundred twenty-one million, two hundred thirty-three thousand, twenty-three".