12422241243 has 10 divisors (see below), whose sum is σ = 18556681484. Its totient is φ = 8281494108.

The previous prime is 12422241163. The next prime is 12422241253. The reversal of 12422241243 is 34214222421.

It is a happy number.

12422241243 is a `hidden beast` number, since 1 + 24 + 222 + 412 + 4 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-12422241243 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 not an unprimeable number, because it can be changed into a prime (12422241253) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 76680421 + ... + 76680582.

Almost surely, 2^12422241243 is an apocalyptic number.

12422241243 is a deficient number, since it is larger than the sum of its proper divisors (6134440241).

12422241243 is an equidigital number, since it uses as much as digits as its factorization.

12422241243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153361015 (or 153361006 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 12422241243 its reverse (34214222421), we get a palindrome (46636463664).

The spelling of 12422241243 in words is "twelve billion, four hundred twenty-two million, two hundred forty-one thousand, two hundred forty-three".