12245345422 has 4 divisors (see below), whose sum is σ = 18368018136. Its totient is φ = 6122672710.

The previous prime is 12245345407. The next prime is 12245345443. The reversal of 12245345422 is 22454354221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3061336354 + ... + 3061336357.

It is an arithmetic number, because the mean of its divisors is an integer number (4592004534).

Almost surely, 2^12245345422 is an apocalyptic number.

12245345422 is a deficient number, since it is larger than the sum of its proper divisors (6122672714).

12245345422 is an equidigital number, since it uses as much as digits as its factorization.

12245345422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6122672713.

The product of its digits is 76800, while the sum is 34.

Adding to 12245345422 its reverse (22454354221), we get a palindrome (34699699643).

The spelling of 12245345422 in words is "twelve billion, two hundred forty-five million, three hundred forty-five thousand, four hundred twenty-two".