12222122129 has 8 divisors (see below), whose sum is σ = 13974567360. Its totient is φ = 10471283856.

The previous prime is 12222122083. The next prime is 12222122147. The reversal of 12222122129 is 92122122221.

12222122129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12222122129 - 2¹² = 12222118033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12222122098 and 12222122107.

It is not an unprimeable number, because it can be changed into a prime (12222122179) 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 7 ways as a sum of consecutive naturals, for example, 385394 + ... + 415899.

It is an arithmetic number, because the mean of its divisors is an integer number (1746820920).

Almost surely, 2^12222122129 is an apocalyptic number.

It is an amenable number.

12222122129 is a deficient number, since it is larger than the sum of its proper divisors (1752445231).

12222122129 is an equidigital number, since it uses as much as digits as its factorization.

12222122129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803479.

The product of its digits is 1152, while the sum is 26.

The spelling of 12222122129 in words is "twelve billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty-nine".