12225415143 has 16 divisors (see below), whose sum is σ = 16373312000. Its totient is φ = 8113944960.

The previous prime is 12225415129. The next prime is 12225415151. The reversal of 12225415143 is 34151452221.

It is not a de Polignac number, because 12225415143 - 2⁴ = 12225415127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12225415143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12225435143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1205508 + ... + 1215606.

It is an arithmetic number, because the mean of its divisors is an integer number (1023332000).

Almost surely, 2^12225415143 is an apocalyptic number.

12225415143 is a deficient number, since it is larger than the sum of its proper divisors (4147896857).

12225415143 is a wasteful number, since it uses less digits than its factorization.

12225415143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11862.

The product of its digits is 9600, while the sum is 30.

Adding to 12225415143 its reverse (34151452221), we get a palindrome (46376867364).

The spelling of 12225415143 in words is "twelve billion, two hundred twenty-five million, four hundred fifteen thousand, one hundred forty-three".