123045112203120 has 60 divisors (see below), whose sum is σ = 413226501817896. Its totient is φ = 32812029920640.

The previous prime is 123045112203103. The next prime is 123045112203127. The reversal of 123045112203120 is 21302211540321.

It is a happy number.

123045112203120 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 4 + 511 + 2 + 20 + 3 + 120 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123045112203127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85447993866 + ... + 85447995305.

Almost surely, 2^{123045112203120} is an apocalyptic number.

123045112203120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123045112203120 is an abundant number, since it is smaller than the sum of its proper divisors (290181389614776).

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

123045112203120 is a wasteful number, since it uses less digits than its factorization.

123045112203120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170895989190 (or 170895989181 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 123045112203120 its reverse (21302211540321), we get a palindrome (144347323743441).

The spelling of 123045112203120 in words is "one hundred twenty-three trillion, forty-five billion, one hundred twelve million, two hundred three thousand, one hundred twenty".