123221030222044 has 48 divisors (see below), whose sum is σ = 216227262827520. Its totient is φ = 61442094168000.

The previous prime is 123221030222029. The next prime is 123221030222063. The reversal of 123221030222044 is 440222030122321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9535010967 + ... + 9535023889.

It is an arithmetic number, because the mean of its divisors is an integer number (4504734642240).

Almost surely, 2^{123221030222044} is an apocalyptic number.

It is an amenable number.

123221030222044 is a deficient number, since it is larger than the sum of its proper divisors (93006232605476).

123221030222044 is a wasteful number, since it uses less digits than its factorization.

123221030222044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17890 (or 17888 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 123221030222044 its reverse (440222030122321), we get a palindrome (563443060344365).

The spelling of 123221030222044 in words is "one hundred twenty-three trillion, two hundred twenty-one billion, thirty million, two hundred twenty-two thousand, forty-four".