12230232231213 has 14 divisors (see below), whose sum is σ = 18336959985614. Its totient is φ = 8153488153656.

The previous prime is 12230232231197. The next prime is 12230232231247. The reversal of 12230232231213 is 31213223203221.

12230232231213 is a `hidden beast` number, since 1 + 2 + 2 + 302 + 32 + 2 + 312 + 13 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8226783488169 + 4003448743044 = 2868237^2 + 2000862^2 .

It is not a de Polignac number, because 12230232231213 - 2⁴ = 12230232231197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230232231263) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 8388361570 + ... + 8388363027.

Almost surely, 2^{12230232231213} is an apocalyptic number.

It is an amenable number.

12230232231213 is a deficient number, since it is larger than the sum of its proper divisors (6106727754401).

12230232231213 is an frugal number, since it uses more digits than its factorization.

12230232231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16776724615 (or 16776724600 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 12230232231213 its reverse (31213223203221), we get a palindrome (43443455434434).

The spelling of 12230232231213 in words is "twelve trillion, two hundred thirty billion, two hundred thirty-two million, two hundred thirty-one thousand, two hundred thirteen".