12522431442 has 8 divisors (see below), whose sum is σ = 25044862896. Its totient is φ = 4174143812.

The previous prime is 12522431429. The next prime is 12522431501. The reversal of 12522431442 is 24413422521.

It is a happy number.

12522431442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

12522431442 is an admirable number.

It is a super-2 number, since 2×12522431442² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043535948 + ... + 1043535959.

It is an arithmetic number, because the mean of its divisors is an integer number (3130607862).

Almost surely, 2^12522431442 is an apocalyptic number.

12522431442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12522431442 is a wasteful number, since it uses less digits than its factorization.

12522431442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087071912.

The product of its digits is 15360, while the sum is 30.

Adding to 12522431442 its reverse (24413422521), we get a palindrome (36935853963).

The spelling of 12522431442 in words is "twelve billion, five hundred twenty-two million, four hundred thirty-one thousand, four hundred forty-two".