12310223221213 has 16 divisors (see below), whose sum is σ = 13214262945600. Its totient is φ = 11464649973648.

The previous prime is 12310223221211. The next prime is 12310223221243. The reversal of 12310223221213 is 31212232201321.

It is not a de Polignac number, because 12310223221213 - 2¹ = 12310223221211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310223221211) 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, 14805106 + ... + 15614467.

It is an arithmetic number, because the mean of its divisors is an integer number (825891434100).

Almost surely, 2^{12310223221213} is an apocalyptic number.

It is an amenable number.

12310223221213 is a deficient number, since it is larger than the sum of its proper divisors (904039724387).

12310223221213 is an frugal number, since it uses more digits than its factorization.

12310223221213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30419689 (or 30419651 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12310223221213 its reverse (31212232201321), we get a palindrome (43522455422534).

The spelling of 12310223221213 in words is "twelve trillion, three hundred ten billion, two hundred twenty-three million, two hundred twenty-one thousand, two hundred thirteen".