123122321222 has 8 divisors (see below), whose sum is σ = 184765533672. Its totient is φ = 61533810000.

The previous prime is 123122321221. The next prime is 123122321233. The reversal of 123122321222 is 222123221321.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123122321221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13669679 + ... + 13678682.

It is an arithmetic number, because the mean of its divisors is an integer number (23095691709).

Almost surely, 2^123122321222 is an apocalyptic number.

123122321222 is a deficient number, since it is larger than the sum of its proper divisors (61643212450).

123122321222 is a wasteful number, since it uses less digits than its factorization.

123122321222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27350614.

The product of its digits is 1152, while the sum is 23.

Adding to 123122321222 its reverse (222123221321), we get a palindrome (345245542543).

Subtracting 123122321222 from its reverse (222123221321), we obtain a palindrome (99000900099).

The spelling of 123122321222 in words is "one hundred twenty-three billion, one hundred twenty-two million, three hundred twenty-one thousand, two hundred twenty-two".