12642422024 has 16 divisors (see below), whose sum is σ = 23836971600. Its totient is φ = 6285896272.

The previous prime is 12642421991. The next prime is 12642422047. The reversal of 12642422024 is 42022424621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4412822 + ... + 4415685.

It is an arithmetic number, because the mean of its divisors is an integer number (1489810725).

Almost surely, 2^12642422024 is an apocalyptic number.

It is an amenable number.

12642422024 is a deficient number, since it is larger than the sum of its proper divisors (11194549576).

12642422024 is a wasteful number, since it uses less digits than its factorization.

12642422024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8828692 (or 8828688 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 12642422024 its reverse (42022424621), we get a palindrome (54664846645).

The spelling of 12642422024 in words is "twelve billion, six hundred forty-two million, four hundred twenty-two thousand, twenty-four".