12567422144 has 14 divisors (see below), whose sum is σ = 24938478444. Its totient is φ = 6283711040.

The previous prime is 12567422129. The next prime is 12567422171. The reversal of 12567422144 is 44122476521.

It is a junction number, because it is equal to n+sod(n) for n = 12567422098 and 12567422107.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98182922 + ... + 98183049.

Almost surely, 2^12567422144 is an apocalyptic number.

It is an amenable number.

12567422144 is a deficient number, since it is larger than the sum of its proper divisors (12371056300).

12567422144 is an equidigital number, since it uses as much as digits as its factorization.

12567422144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196365983 (or 196365973 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

Adding to 12567422144 its reverse (44122476521), we get a palindrome (56689898665).

The spelling of 12567422144 in words is "twelve billion, five hundred sixty-seven million, four hundred twenty-two thousand, one hundred forty-four".