123110013222220 has 48 divisors (see below), whose sum is σ = 273741950206368. Its totient is φ = 46346754769920.

The previous prime is 123110013222191. The next prime is 123110013222239. The reversal of 123110013222220 is 22222310011321.

It is a junction number, because it is equal to n+sod(n) for n = 123110013222191 and 123110013222200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27471010 + ... + 31636630.

It is an arithmetic number, because the mean of its divisors is an integer number (5702957295966).

Almost surely, 2^{123110013222220} is an apocalyptic number.

123110013222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123110013222220 is an abundant number, since it is smaller than the sum of its proper divisors (150631936984148).

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

123110013222220 is a wasteful number, since it uses less digits than its factorization.

123110013222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4252570 (or 4252568 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 123110013222220 its reverse (22222310011321), we get a palindrome (145332323233541).

The spelling of 123110013222220 in words is "one hundred twenty-three trillion, one hundred ten billion, thirteen million, two hundred twenty-two thousand, two hundred twenty".