123002000122120 has 128 divisors (see below), whose sum is σ = 317065336761600. Its totient is φ = 42068862950400.

The previous prime is 123002000122073. The next prime is 123002000122213. The reversal of 123002000122120 is 21221000200321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123002000122094 and 123002000122103.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3611209890 + ... + 3611243950.

It is an arithmetic number, because the mean of its divisors is an integer number (2477072943450).

Almost surely, 2^{123002000122120} is an apocalyptic number.

123002000122120 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 123002000122120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158532668380800).

123002000122120 is an abundant number, since it is smaller than the sum of its proper divisors (194063336639480).

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

123002000122120 is a wasteful number, since it uses less digits than its factorization.

123002000122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65279 (or 65275 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 123002000122120 its reverse (21221000200321), we get a palindrome (144223000322441).

The spelling of 123002000122120 in words is "one hundred twenty-three trillion, two billion, one hundred twenty-two thousand, one hundred twenty".