120312320130 has 48 divisors (see below), whose sum is σ = 313616267640. Its totient is φ = 32000799744.

The previous prime is 120312320123. The next prime is 120312320179. The reversal of 120312320130 is 31023213021.

120312320130 is a `hidden beast` number, since 1 + 2 + 0 + 312 + 320 + 1 + 30 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 92780550801 + 27531769329 = 304599^2 + 165927^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1683247 + ... + 1753266.

Almost surely, 2^120312320130 is an apocalyptic number.

120312320130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120312320130 is an abundant number, since it is smaller than the sum of its proper divisors (193303947510).

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

120312320130 is a wasteful number, since it uses less digits than its factorization.

120312320130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436915 (or 3436912 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 120312320130 its reverse (31023213021), we get a palindrome (151335533151).

The spelling of 120312320130 in words is "one hundred twenty billion, three hundred twelve million, three hundred twenty thousand, one hundred thirty".