2012220330312 has 32 divisors (see below), whose sum is σ = 5031271644480. Its totient is φ = 670644000960.

The previous prime is 2012220330283. The next prime is 2012220330313. The reversal of 2012220330312 is 2130330222102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2012220330313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5835739 + ... + 6170922.

It is an arithmetic number, because the mean of its divisors is an integer number (157227238890).

Almost surely, 2^{2012220330312} is an apocalyptic number.

It is an amenable number.

2012220330312 is an abundant number, since it is smaller than the sum of its proper divisors (3019051314168).

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

2012220330312 is a wasteful number, since it uses less digits than its factorization.

2012220330312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12013653 (or 12013649 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2012220330312 its reverse (2130330222102), we get a palindrome (4142550552414).

The spelling of 2012220330312 in words is "two trillion, twelve billion, two hundred twenty million, three hundred thirty thousand, three hundred twelve".