120234105420 has 384 divisors, whose sum is σ = 405267287040. Its totient is φ = 26250117120.

The previous prime is 120234105419. The next prime is 120234105547. The reversal of 120234105420 is 24501432021.

It is a super-2 number, since 2×120234105420² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 60753991 + ... + 60755969.

It is an arithmetic number, because the mean of its divisors is an integer number (1055383560).

Almost surely, 2^120234105420 is an apocalyptic number.

120234105420 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 120234105420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202633643520).

120234105420 is an abundant number, since it is smaller than the sum of its proper divisors (285033181620).

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

120234105420 is a wasteful number, since it uses less digits than its factorization.

120234105420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185 (or 2183 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 120234105420 its reverse (24501432021), we get a palindrome (144735537441).

The spelling of 120234105420 in words is "one hundred twenty billion, two hundred thirty-four million, one hundred five thousand, four hundred twenty".