123220331222 has 8 divisors (see below), whose sum is σ = 184928973696. Its totient is φ = 61577339992.

The previous prime is 123220331137. The next prime is 123220331237. The reversal of 123220331222 is 222133022321.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16408118 + ... + 16415625.

It is an arithmetic number, because the mean of its divisors is an integer number (23116121712).

Almost surely, 2^123220331222 is an apocalyptic number.

123220331222 is a deficient number, since it is larger than the sum of its proper divisors (61708642474).

123220331222 is a wasteful number, since it uses less digits than its factorization.

123220331222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32825622.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 123220331222 its reverse (222133022321), we get a palindrome (345353353543).

The spelling of 123220331222 in words is "one hundred twenty-three billion, two hundred twenty million, three hundred thirty-one thousand, two hundred twenty-two".