2120312320312 has 16 divisors (see below), whose sum is σ = 4209443577360. Its totient is φ = 997794033024.

The previous prime is 2120312320303. The next prime is 2120312320351. The reversal of 2120312320312 is 2130232130212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7795265748 + ... + 7795266019.

It is an arithmetic number, because the mean of its divisors is an integer number (263090223585).

Almost surely, 2^{2120312320312} is an apocalyptic number.

It is an amenable number.

2120312320312 is a deficient number, since it is larger than the sum of its proper divisors (2089131257048).

2120312320312 is a wasteful number, since it uses less digits than its factorization.

2120312320312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15590531790 (or 15590531786 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2120312320312 its reverse (2130232130212), we get a palindrome (4250544450524).

The spelling of 2120312320312 in words is "two trillion, one hundred twenty billion, three hundred twelve million, three hundred twenty thousand, three hundred twelve".