120003031312 has 10 divisors (see below), whose sum is σ = 232505873198. Its totient is φ = 60001515648.

The previous prime is 120003031303. The next prime is 120003031319. The reversal of 120003031312 is 213130300021.

It can be written as a sum of positive squares in only one way, i.e., 68499452176 + 51503579136 = 261724^2 + 226944^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 7500189457 = 120003031312 / (1 + 2 + 0 + 0 + 0 + 3 + 0 + 3 + 1 + 3 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (120003031319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3750094713 + ... + 3750094744.

Almost surely, 2^120003031312 is an apocalyptic number.

It is an amenable number.

120003031312 is a deficient number, since it is larger than the sum of its proper divisors (112502841886).

120003031312 is an equidigital number, since it uses as much as digits as its factorization.

120003031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7500189465 (or 7500189459 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 120003031312 its reverse (213130300021), we get a palindrome (333133331333).

The spelling of 120003031312 in words is "one hundred twenty billion, three million, thirty-one thousand, three hundred twelve".