2320320222012 has 96 divisors (see below), whose sum is σ = 6143278176000. Its totient is φ = 675722967552.

The previous prime is 2320320221981. The next prime is 2320320222013. The reversal of 2320320222012 is 2102220230232.

It is a self number, because there is not a number n which added to its sum of digits gives 2320320222012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320320222013) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2736103 + ... + 3482369.

It is an arithmetic number, because the mean of its divisors is an integer number (63992481000).

Almost surely, 2^{2320320222012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2320320222012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3071639088000).

2320320222012 is an abundant number, since it is smaller than the sum of its proper divisors (3822957953988).

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

2320320222012 is a wasteful number, since it uses less digits than its factorization.

2320320222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747355 (or 747353 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 2320320222012 its reverse (2102220230232), we get a palindrome (4422540452244).

The spelling of 2320320222012 in words is "two trillion, three hundred twenty billion, three hundred twenty million, two hundred twenty-two thousand, twelve".