123012320020110 has 96 divisors (see below), whose sum is σ = 323261376826752. Its totient is φ = 32451834193920.

The previous prime is 123012320020033. The next prime is 123012320020171. The reversal of 123012320020110 is 11020023210321.

123012320020110 is a `hidden beast` number, since 1 + 2 + 301 + 232 + 0 + 0 + 20 + 110 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18483120 + ... + 24241500.

It is an arithmetic number, because the mean of its divisors is an integer number (3367306008612).

Almost surely, 2^{123012320020110} is an apocalyptic number.

123012320020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123012320020110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161630688413376).

123012320020110 is an abundant number, since it is smaller than the sum of its proper divisors (200249056806642).

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

123012320020110 is a wasteful number, since it uses less digits than its factorization.

123012320020110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5760938 (or 5760935 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 123012320020110 its reverse (11020023210321), we get a palindrome (134032343230431).

The spelling of 123012320020110 in words is "one hundred twenty-three trillion, twelve billion, three hundred twenty million, twenty thousand, one hundred ten".