12310312103221 has 16 divisors (see below), whose sum is σ = 13456580155200. Its totient is φ = 11168579228800.

The previous prime is 12310312103197. The next prime is 12310312103227. The reversal of 12310312103221 is 12230121301321.

It is a cyclic number.

It is not a de Polignac number, because 12310312103221 - 2²⁹ = 12309775232309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12310312103192 and 12310312103201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310312103227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23658270 + ... + 24173008.

It is an arithmetic number, because the mean of its divisors is an integer number (841036259700).

Almost surely, 2^{12310312103221} is an apocalyptic number.

12310312103221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12310312103221 is a deficient number, since it is larger than the sum of its proper divisors (1146268051979).

12310312103221 is a wasteful number, since it uses less digits than its factorization.

12310312103221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519140.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12310312103221 its reverse (12230121301321), we get a palindrome (24540433404542).

The spelling of 12310312103221 in words is "twelve trillion, three hundred ten billion, three hundred twelve million, one hundred three thousand, two hundred twenty-one".