123122310120 has 160 divisors (see below), whose sum is σ = 414490475520. Its totient is φ = 32780039040.

The previous prime is 123122310119. The next prime is 123122310131. The reversal of 123122310120 is 21013221321.

123122310120 is a `hidden beast` number, since 1 + 2 + 312 + 231 + 0 + 120 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 123122310093 and 123122310102.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2014329 + ... + 2074551.

It is an arithmetic number, because the mean of its divisors is an integer number (2590565472).

Almost surely, 2^123122310120 is an apocalyptic number.

123122310120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123122310120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207245237760).

123122310120 is an abundant number, since it is smaller than the sum of its proper divisors (291368165400).

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

123122310120 is a wasteful number, since it uses less digits than its factorization.

123122310120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60877 (or 60864 counting only the distinct ones).

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

Adding to 123122310120 its reverse (21013221321), we get a palindrome (144135531441).

The spelling of 123122310120 in words is "one hundred twenty-three billion, one hundred twenty-two million, three hundred ten thousand, one hundred twenty".