12422042442 has 16 divisors (see below), whose sum is σ = 27604538880. Its totient is φ = 4140680796.

The previous prime is 12422042431. The next prime is 12422042513. The reversal of 12422042442 is 24424022421.

12422042442 is a `hidden beast` number, since 12 + 4 + 2 + 204 + 2 + 442 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 115018858 + ... + 115018965.

It is an arithmetic number, because the mean of its divisors is an integer number (1725283680).

Almost surely, 2^12422042442 is an apocalyptic number.

12422042442 is an abundant number, since it is smaller than the sum of its proper divisors (15182496438).

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

12422042442 is a wasteful number, since it uses less digits than its factorization.

12422042442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230037834 (or 230037828 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 12422042442 its reverse (24424022421), we get a palindrome (36846064863).

The spelling of 12422042442 in words is "twelve billion, four hundred twenty-two million, forty-two thousand, four hundred forty-two".