12022333121 has 4 divisors (see below), whose sum is σ = 12167180592. Its totient is φ = 11877485652.

The previous prime is 12022333093. The next prime is 12022333133. The reversal of 12022333121 is 12133322021.

12022333121 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 12022333121 - 2¹⁰ = 12022332097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12022333093 and 12022333102.

It is not an unprimeable number, because it can be changed into a prime (12022333021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72423611 + ... + 72423776.

It is an arithmetic number, because the mean of its divisors is an integer number (3041795148).

Almost surely, 2^12022333121 is an apocalyptic number.

It is an amenable number.

12022333121 is a deficient number, since it is larger than the sum of its proper divisors (144847471).

12022333121 is an equidigital number, since it uses as much as digits as its factorization.

12022333121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144847470.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12022333121 its reverse (12133322021), we get a palindrome (24155655142).

The spelling of 12022333121 in words is "twelve billion, twenty-two million, three hundred thirty-three thousand, one hundred twenty-one".