120320122131 has 24 divisors (see below), whose sum is σ = 200748014064. Its totient is φ = 68631797760.

The previous prime is 120320122127. The next prime is 120320122177. The reversal of 120320122131 is 131221023021.

120320122131 is a `hidden beast` number, since 120 + 320 + 1 + 221 + 3 + 1 = 666.

It is not a de Polignac number, because 120320122131 - 2² = 120320122127 is a prime.

It is a super-2 number, since 2×120320122131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120320120131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35744046 + ... + 35747411.

It is an arithmetic number, because the mean of its divisors is an integer number (8364500586).

Almost surely, 2^120320122131 is an apocalyptic number.

120320122131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120320122131 is a deficient number, since it is larger than the sum of its proper divisors (80427891933).

120320122131 is a wasteful number, since it uses less digits than its factorization.

120320122131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71491491 (or 71491488 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 120320122131 its reverse (131221023021), we get a palindrome (251541145152).

The spelling of 120320122131 in words is "one hundred twenty billion, three hundred twenty million, one hundred twenty-two thousand, one hundred thirty-one".