12213023323131 has 8 divisors (see below), whose sum is σ = 18093367886160. Its totient is φ = 8142015548736.

The previous prime is 12213023323087. The next prime is 12213023323223. The reversal of 12213023323131 is 13132332031221.

12213023323131 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 302 + 3 + 323 + 1 + 31 = 666.

It is not a de Polignac number, because 12213023323131 - 2⁷ = 12213023323003 is a prime.

It is a super-2 number, since 2×12213023323131² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 452334197153 = 12213023323131 / (1 + 2 + 2 + 1 + 3 + 0 + 2 + 3 + 3 + 2 + 3 + 1 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 12213023323095 and 12213023323104.

It is not an unprimeable number, because it can be changed into a prime (12213023321131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226167098550 + ... + 226167098603.

It is an arithmetic number, because the mean of its divisors is an integer number (2261670985770).

Almost surely, 2^{12213023323131} is an apocalyptic number.

12213023323131 is a deficient number, since it is larger than the sum of its proper divisors (5880344563029).

12213023323131 is an equidigital number, since it uses as much as digits as its factorization.

12213023323131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452334197162 (or 452334197156 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 12213023323131 its reverse (13132332031221), we get a palindrome (25345355354352).

The spelling of 12213023323131 in words is "twelve trillion, two hundred thirteen billion, twenty-three million, three hundred twenty-three thousand, one hundred thirty-one".