120400243230300 has 288 divisors, whose sum is σ = 389959352504064. Its totient is φ = 28427506944000.

The previous prime is 120400243230271. The next prime is 120400243230301. The reversal of 120400243230300 is 3032342004021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120400243230301) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 78663114 + ... + 80179086.

It is an arithmetic number, because the mean of its divisors is an integer number (1354025529528).

Almost surely, 2^{120400243230300} is an apocalyptic number.

120400243230300 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 120400243230300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194979676252032).

120400243230300 is an abundant number, since it is smaller than the sum of its proper divisors (269559109273764).

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

120400243230300 is a wasteful number, since it uses less digits than its factorization.

120400243230300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516629 (or 1516622 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 120400243230300 its reverse (3032342004021), we get a palindrome (123432585234321).

The spelling of 120400243230300 in words is "one hundred twenty trillion, four hundred billion, two hundred forty-three million, two hundred thirty thousand, three hundred".