120232430535552 has 128 divisors (see below), whose sum is σ = 338297833117440. Its totient is φ = 37703901831168.

The previous prime is 120232430535551. The next prime is 120232430535563. The reversal of 120232430535552 is 255535034232021.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120232430535551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11397493 + ... + 19244939.

It is an arithmetic number, because the mean of its divisors is an integer number (2642951821230).

Almost surely, 2^{120232430535552} is an apocalyptic number.

120232430535552 is a gapful number since it is divisible by the number (12) 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 120232430535552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169148916558720).

120232430535552 is an abundant number, since it is smaller than the sum of its proper divisors (218065402581888).

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

120232430535552 is a wasteful number, since it uses less digits than its factorization.

120232430535552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7849828 (or 7849816 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 42.

Adding to 120232430535552 its reverse (255535034232021), we get a palindrome (375767464767573).

The spelling of 120232430535552 in words is "one hundred twenty trillion, two hundred thirty-two billion, four hundred thirty million, five hundred thirty-five thousand, five hundred fifty-two".