12222123011 has 8 divisors (see below), whose sum is σ = 13968820224. Its totient is φ = 10475595720.

The previous prime is 12222123007. The next prime is 12222123031. The reversal of 12222123011 is 11032122221.

12222123011 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 12222123011 - 2² = 12222123007 is a prime.

It is a super-2 number, since 2×12222123011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12222123031) 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, 218846 + ... + 268956.

It is an arithmetic number, because the mean of its divisors is an integer number (1746102528).

Almost surely, 2^12222123011 is an apocalyptic number.

12222123011 is a deficient number, since it is larger than the sum of its proper divisors (1746697213).

12222123011 is an equidigital number, since it uses as much as digits as its factorization.

12222123011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84961.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12222123011 its reverse (11032122221), we get a palindrome (23254245232).

The spelling of 12222123011 in words is "twelve billion, two hundred twenty-two million, one hundred twenty-three thousand, eleven".