120203131312 has 20 divisors (see below), whose sum is σ = 254065709736. Its totient is φ = 54637786880.

The previous prime is 120203131297. The next prime is 120203131319. The reversal of 120203131312 is 213131302021.

It is a self number, because there is not a number n which added to its sum of digits gives 120203131312.

It is not an unprimeable number, because it can be changed into a prime (120203131319) 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, 341485993 + ... + 341486344.

Almost surely, 2^120203131312 is an apocalyptic number.

It is an amenable number.

120203131312 is an abundant number, since it is smaller than the sum of its proper divisors (133862578424).

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

120203131312 is a wasteful number, since it uses less digits than its factorization.

120203131312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682972356 (or 682972350 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 120203131312 its reverse (213131302021), we get a palindrome (333334433333).

The spelling of 120203131312 in words is "one hundred twenty billion, two hundred three million, one hundred thirty-one thousand, three hundred twelve".