12223311125 has 16 divisors (see below), whose sum is σ = 15266113200. Its totient is φ = 9771328000.

The previous prime is 12223311119. The next prime is 12223311127. The reversal of 12223311125 is 52111332221.

It can be written as a sum of positive squares in 8 ways, for example, as 1957974001 + 10265337124 = 44249^2 + 101318^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12223311125 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12223311125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223311127) 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, 134201 + ... + 206049.

It is an arithmetic number, because the mean of its divisors is an integer number (954132075).

Almost surely, 2^12223311125 is an apocalyptic number.

It is an amenable number.

12223311125 is a deficient number, since it is larger than the sum of its proper divisors (3042802075).

12223311125 is an equidigital number, since it uses as much as digits as its factorization.

12223311125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73225 (or 73215 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

Adding to 12223311125 its reverse (52111332221), we get a palindrome (64334643346).

The spelling of 12223311125 in words is "twelve billion, two hundred twenty-three million, three hundred eleven thousand, one hundred twenty-five".