312010421043320 has 64 divisors (see below), whose sum is σ = 724828262019840. Its totient is φ = 120751744665600.

The previous prime is 312010421043253. The next prime is 312010421043331. The reversal of 312010421043320 is 23340124010213.

It is a self number, because there is not a number n which added to its sum of digits gives 312010421043320.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 21928367 + ... + 33239646.

It is an arithmetic number, because the mean of its divisors is an integer number (11325441594060).

Almost surely, 2^{312010421043320} is an apocalyptic number.

It is an amenable number.

312010421043320 is an abundant number, since it is smaller than the sum of its proper divisors (412817840976520).

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

312010421043320 is a wasteful number, since it uses less digits than its factorization.

312010421043320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55172616 (or 55172612 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 312010421043320 its reverse (23340124010213), we get a palindrome (335350545053533).

The spelling of 312010421043320 in words is "three hundred twelve trillion, ten billion, four hundred twenty-one million, forty-three thousand, three hundred twenty".