12343145222 has 16 divisors (see below), whose sum is σ = 19614201840. Its totient is φ = 5805462528.

The previous prime is 12343145189. The next prime is 12343145231. The reversal of 12343145222 is 22254134321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30347 + ... + 160022.

It is an arithmetic number, because the mean of its divisors is an integer number (1225887615).

Almost surely, 2^12343145222 is an apocalyptic number.

12343145222 is a deficient number, since it is larger than the sum of its proper divisors (7271056618).

12343145222 is a wasteful number, since it uses less digits than its factorization.

12343145222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192295.

The product of its digits is 11520, while the sum is 29.

Adding to 12343145222 its reverse (22254134321), we get a palindrome (34597279543).

The spelling of 12343145222 in words is "twelve billion, three hundred forty-three million, one hundred forty-five thousand, two hundred twenty-two".