12223230131 has 4 divisors (see below), whose sum is σ = 13969405872. Its totient is φ = 10477054392.

The previous prime is 12223230121. The next prime is 12223230143. The reversal of 12223230131 is 13103232221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12223230131 - 2¹⁴ = 12223213747 is a prime.

It is a super-2 number, since 2×12223230131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12223230121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873087860 + ... + 873087873.

It is an arithmetic number, because the mean of its divisors is an integer number (3492351468).

Almost surely, 2^12223230131 is an apocalyptic number.

12223230131 is a deficient number, since it is larger than the sum of its proper divisors (1746175741).

12223230131 is an equidigital number, since it uses as much as digits as its factorization.

12223230131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746175740.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12223230131 its reverse (13103232221), we get a palindrome (25326462352).

The spelling of 12223230131 in words is "twelve billion, two hundred twenty-three million, two hundred thirty thousand, one hundred thirty-one".