12144202422 has 32 divisors (see below), whose sum is σ = 26592136704. Its totient is φ = 3666770400.

The previous prime is 12144202417. The next prime is 12144202463. The reversal of 12144202422 is 22420244121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12144202392 and 12144202401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313854 + ... + 350417.

It is an arithmetic number, because the mean of its divisors is an integer number (831004272).

Almost surely, 2^12144202422 is an apocalyptic number.

12144202422 is an abundant number, since it is smaller than the sum of its proper divisors (14447934282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12144202422 is a wasteful number, since it uses less digits than its factorization.

12144202422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664564.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 12144202422 its reverse (22420244121), we get a palindrome (34564446543).

The spelling of 12144202422 in words is "twelve billion, one hundred forty-four million, two hundred two thousand, four hundred twenty-two".