120131132231220 has 48 divisors (see below), whose sum is σ = 366946003908288. Its totient is φ = 29122698722560.

The previous prime is 120131132231219. The next prime is 120131132231221. The reversal of 120131132231220 is 22132231131021.

It is an interprime number because it is at equal distance from previous prime (120131132231219) and next prime (120131132231221).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120131132231221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91008432849 + ... + 91008434168.

It is an arithmetic number, because the mean of its divisors is an integer number (7644708414756).

Almost surely, 2^{120131132231220} is an apocalyptic number.

120131132231220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120131132231220 is an abundant number, since it is smaller than the sum of its proper divisors (246814871677068).

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

120131132231220 is a wasteful number, since it uses less digits than its factorization.

120131132231220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182016867040 (or 182016867038 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 120131132231220 its reverse (22132231131021), we get a palindrome (142263363362241).

The spelling of 120131132231220 in words is "one hundred twenty trillion, one hundred thirty-one billion, one hundred thirty-two million, two hundred thirty-one thousand, two hundred twenty".