120404351312 has 20 divisors (see below), whose sum is σ = 266609635296. Its totient is φ = 51601864800.

The previous prime is 120404351297. The next prime is 120404351339. The reversal of 120404351312 is 213153404021.

It is a happy number.

120404351312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×120404351312² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537519314 + ... + 537519537.

Almost surely, 2^120404351312 is an apocalyptic number.

It is an amenable number.

120404351312 is an abundant number, since it is smaller than the sum of its proper divisors (146205283984).

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

120404351312 is a wasteful number, since it uses less digits than its factorization.

120404351312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075038866 (or 1075038860 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 120404351312 its reverse (213153404021), we get a palindrome (333557755333).

The spelling of 120404351312 in words is "one hundred twenty billion, four hundred four million, three hundred fifty-one thousand, three hundred twelve".