123322221200 has 60 divisors (see below), whose sum is σ = 297130917300. Its totient is φ = 49187489280.

The previous prime is 123322221193. The next prime is 123322221227. The reversal of 123322221200 is 2122223321.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4887128464 + 118435092736 = 69908^2 + 344144^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 302099 + ... + 581298.

It is an arithmetic number, because the mean of its divisors is an integer number (4952181955).

Almost surely, 2^123322221200 is an apocalyptic number.

123322221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123322221200 is an abundant number, since it is smaller than the sum of its proper divisors (173808696100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123322221200 is a wasteful number, since it uses less digits than its factorization.

123322221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883764 (or 883753 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 123322221200 its reverse (2122223321), we get a palindrome (125444444521).

The spelling of 123322221200 in words is "one hundred twenty-three billion, three hundred twenty-two million, two hundred twenty-one thousand, two hundred".