2312211101312 has 32 divisors (see below), whose sum is σ = 5264409205920. Its totient is φ = 990947614464.

The previous prime is 2312211101237. The next prime is 2312211101341. The reversal of 2312211101312 is 2131011122132.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1290295478 + ... + 1290297269.

It is an arithmetic number, because the mean of its divisors is an integer number (164512787685).

Almost surely, 2^{2312211101312} is an apocalyptic number.

It is an amenable number.

2312211101312 is an abundant number, since it is smaller than the sum of its proper divisors (2952198104608).

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

2312211101312 is an equidigital number, since it uses as much as digits as its factorization.

2312211101312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580592768 (or 2580592756 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2312211101312 its reverse (2131011122132), we get a palindrome (4443222223444).

The spelling of 2312211101312 in words is "two trillion, three hundred twelve billion, two hundred eleven million, one hundred one thousand, three hundred twelve".