12133415530 has 16 divisors (see below), whose sum is σ = 21869012520. Its totient is φ = 4846951872.

The previous prime is 12133415471. The next prime is 12133415537. The reversal of 12133415530 is 3551433121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7029313281 + 5104102249 = 83841^2 + 71443^2 .

It is not an unprimeable number, because it can be changed into a prime (12133415537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793845 + ... + 808984.

Almost surely, 2^12133415530 is an apocalyptic number.

12133415530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12133415530 is a deficient number, since it is larger than the sum of its proper divisors (9735596990).

12133415530 is a wasteful number, since it uses less digits than its factorization.

12133415530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603593.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 12133415530 its reverse (3551433121), we get a palindrome (15684848651).

The spelling of 12133415530 in words is "twelve billion, one hundred thirty-three million, four hundred fifteen thousand, five hundred thirty".