12312110223001 has 4 divisors (see below), whose sum is σ = 12313745522100. Its totient is φ = 12310474923904.

The previous prime is 12312110222969. The next prime is 12312110223019. The reversal of 12312110223001 is 10032201121321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1482245375625 + 10829864847376 = 1217475^2 + 3290876^2 .

It is a cyclic number.

It is not a de Polignac number, because 12312110223001 - 2⁵ = 12312110222969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12312110223001.

It is not an unprimeable number, because it can be changed into a prime (12312110223701) 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 3 ways as a sum of consecutive naturals, for example, 817638256 + ... + 817653313.

It is an arithmetic number, because the mean of its divisors is an integer number (3078436380525).

Almost surely, 2^{12312110223001} is an apocalyptic number.

It is an amenable number.

12312110223001 is a deficient number, since it is larger than the sum of its proper divisors (1635299099).

12312110223001 is an equidigital number, since it uses as much as digits as its factorization.

12312110223001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635299098.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12312110223001 its reverse (10032201121321), we get a palindrome (22344311344322).

The spelling of 12312110223001 in words is "twelve trillion, three hundred twelve billion, one hundred ten million, two hundred twenty-three thousand, one".