12135530324 has 12 divisors (see below), whose sum is σ = 21241321248. Its totient is φ = 6066581400.

The previous prime is 12135530317. The next prime is 12135530333. The reversal of 12135530324 is 42303553121.

It is a happy number.

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, 272672 + ... + 314039.

It is an arithmetic number, because the mean of its divisors is an integer number (1770110104).

Almost surely, 2^12135530324 is an apocalyptic number.

It is an amenable number.

12135530324 is a deficient number, since it is larger than the sum of its proper divisors (9105790924).

12135530324 is a wasteful number, since it uses less digits than its factorization.

12135530324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591886 (or 591884 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 12135530324 in words is "twelve billion, one hundred thirty-five million, five hundred thirty thousand, three hundred twenty-four".