120131311121312 has 24 divisors (see below), whose sum is σ = 236516938112196. Its totient is φ = 60063517315072.

The previous prime is 120131311121273. The next prime is 120131311121317. The reversal of 120131311121312 is 213121113131021.

It can be written as a sum of positive squares in 2 ways, for example, as 84457496885776 + 35673814235536 = 9190076^2 + 5972756^2 .

It is not an unprimeable number, because it can be changed into a prime (120131311121317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65907023 + ... + 67705230.

Almost surely, 2^{120131311121312} is an apocalyptic number.

It is an amenable number.

120131311121312 is a deficient number, since it is larger than the sum of its proper divisors (116385626990884).

120131311121312 is a wasteful number, since it uses less digits than its factorization.

120131311121312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133640360 (or 133640352 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 120131311121312 its reverse (213121113131021), we get a palindrome (333252424252333).

The spelling of 120131311121312 in words is "one hundred twenty trillion, one hundred thirty-one billion, three hundred eleven million, one hundred twenty-one thousand, three hundred twelve".