123220110313112 has 32 divisors (see below), whose sum is σ = 243206173350000. Its totient is φ = 58365359745408.

The previous prime is 123220110313099. The next prime is 123220110313129. The reversal of 123220110313112 is 211313011022321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9988787 + ... + 18606882.

Almost surely, 2^{123220110313112} is an apocalyptic number.

It is an amenable number.

123220110313112 is a deficient number, since it is larger than the sum of its proper divisors (119986063036888).

123220110313112 is a wasteful number, since it uses less digits than its factorization.

123220110313112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28624043 (or 28624039 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 123220110313112 its reverse (211313011022321), we get a palindrome (334533121335433).

The spelling of 123220110313112 in words is "one hundred twenty-three trillion, two hundred twenty billion, one hundred ten million, three hundred thirteen thousand, one hundred twelve".