123020022100120 has 32 divisors (see below), whose sum is σ = 276798657417120. Its totient is φ = 49207367472640.

The previous prime is 123020022100099. The next prime is 123020022100121. The reversal of 123020022100120 is 21001220020321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123020022100094 and 123020022100103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123020022100121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16929457 + ... + 23079136.

It is an arithmetic number, because the mean of its divisors is an integer number (8649958044285).

Almost surely, 2^{123020022100120} is an apocalyptic number.

123020022100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123020022100120 is an abundant number, since it is smaller than the sum of its proper divisors (153778635317000).

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

123020022100120 is a wasteful number, since it uses less digits than its factorization.

123020022100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40085475 (or 40085471 counting only the distinct ones).

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

Adding to 123020022100120 its reverse (21001220020321), we get a palindrome (144021242120441).

The spelling of 123020022100120 in words is "one hundred twenty-three trillion, twenty billion, twenty-two million, one hundred thousand, one hundred twenty".