12534255422 has 8 divisors (see below), whose sum is σ = 20247643416. Its totient is φ = 5785040952.

The previous prime is 12534255403. The next prime is 12534255443. The reversal of 12534255422 is 22455243521.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241043348 + ... + 241043399.

It is an arithmetic number, because the mean of its divisors is an integer number (2530955427).

Almost surely, 2^12534255422 is an apocalyptic number.

12534255422 is a deficient number, since it is larger than the sum of its proper divisors (7713387994).

12534255422 is a wasteful number, since it uses less digits than its factorization.

12534255422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482086762.

The product of its digits is 96000, while the sum is 35.

Adding to 12534255422 its reverse (22455243521), we get a palindrome (34989498943).

The spelling of 12534255422 in words is "twelve billion, five hundred thirty-four million, two hundred fifty-five thousand, four hundred twenty-two".