12543014422 has 8 divisors (see below), whose sum is σ = 18881478072. Its totient is φ = 6249188400.

The previous prime is 12543014413. The next prime is 12543014447. The reversal of 12543014422 is 22441034521.

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, 11158704 + ... + 11159827.

It is an arithmetic number, because the mean of its divisors is an integer number (2360184759).

Almost surely, 2^12543014422 is an apocalyptic number.

12543014422 is a deficient number, since it is larger than the sum of its proper divisors (6338463650).

12543014422 is a wasteful number, since it uses less digits than its factorization.

12543014422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22318814.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 12543014422 its reverse (22441034521), we get a palindrome (34984048943).

The spelling of 12543014422 in words is "twelve billion, five hundred forty-three million, fourteen thousand, four hundred twenty-two".