123011222 has 16 divisors (see below), whose sum is σ = 192925152. Its totient is φ = 58713600.

The previous prime is 123011221. The next prime is 123011293. The reversal of 123011222 is 222110321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123011197 and 123011206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123011221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23222 + ... + 28022.

It is an arithmetic number, because the mean of its divisors is an integer number (12057822).

Almost surely, 2^123011222 is an apocalyptic number.

123011222 is a deficient number, since it is larger than the sum of its proper divisors (69913930).

123011222 is a wasteful number, since it uses less digits than its factorization.

123011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5383.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 123011222 is about 11091.0424217023. The cubic root of 123011222 is about 497.3341072941.

Adding to 123011222 its reverse (222110321), we get a palindrome (345121543).

Subtracting 123011222 from its reverse (222110321), we obtain a palindrome (99099099).

The spelling of 123011222 in words is "one hundred twenty-three million, eleven thousand, two hundred twenty-two".