120131030140 has 96 divisors (see below), whose sum is σ = 281852379648. Its totient is φ = 42641760000.

The previous prime is 120131030113. The next prime is 120131030171. The reversal of 120131030140 is 41030131021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1539547 + ... + 1615693.

It is an arithmetic number, because the mean of its divisors is an integer number (2935962288).

Almost surely, 2^120131030140 is an apocalyptic number.

120131030140 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 120131030140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140926189824).

120131030140 is an abundant number, since it is smaller than the sum of its proper divisors (161721349508).

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

120131030140 is a wasteful number, since it uses less digits than its factorization.

120131030140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76339 (or 76337 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 120131030140 its reverse (41030131021), we get a palindrome (161161161161).

The spelling of 120131030140 in words is "one hundred twenty billion, one hundred thirty-one million, thirty thousand, one hundred forty".