2122310320312 has 64 divisors (see below), whose sum is σ = 4899989445120. Its totient is φ = 839192393088.

The previous prime is 2122310320303. The next prime is 2122310320313. The reversal of 2122310320312 is 2130230132212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122310320313) 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 in 15 ways as a sum of consecutive naturals, for example, 820903 + ... + 2217769.

It is an arithmetic number, because the mean of its divisors is an integer number (76562335080).

Almost surely, 2^{2122310320312} is an apocalyptic number.

It is an amenable number.

2122310320312 is an abundant number, since it is smaller than the sum of its proper divisors (2777679124808).

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

2122310320312 is a wasteful number, since it uses less digits than its factorization.

2122310320312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398980 (or 1398976 counting only the distinct ones).

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

Adding to 2122310320312 its reverse (2130230132212), we get a palindrome (4252540452524).

The spelling of 2122310320312 in words is "two trillion, one hundred twenty-two billion, three hundred ten million, three hundred twenty thousand, three hundred twelve".