312012223021103 has 16 divisors (see below), whose sum is σ = 343393578924192. Its totient is φ = 281133699840000.

The previous prime is 312012223021067. The next prime is 312012223021229. The reversal of 312012223021103 is 301120322210213.

It is a cyclic number.

It is not a de Polignac number, because 312012223021103 - 2⁸ = 312012223020847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312012223021403) 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, 97367333 + ... + 100520753.

It is an arithmetic number, because the mean of its divisors is an integer number (21462098682762).

Almost surely, 2^{312012223021103} is an apocalyptic number.

312012223021103 is a deficient number, since it is larger than the sum of its proper divisors (31381355903089).

312012223021103 is a wasteful number, since it uses less digits than its factorization.

312012223021103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233146.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 312012223021103 its reverse (301120322210213), we get a palindrome (613132545231316).

The spelling of 312012223021103 in words is "three hundred twelve trillion, twelve billion, two hundred twenty-three million, twenty-one thousand, one hundred three".