12355324236 has 36 divisors (see below), whose sum is σ = 31269629664. Its totient is φ = 4113415200.

The previous prime is 12355324217. The next prime is 12355324259. The reversal of 12355324236 is 63242355321.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12355324236.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179460 + ... + 238571.

It is an arithmetic number, because the mean of its divisors is an integer number (868600824).

Almost surely, 2^12355324236 is an apocalyptic number.

It is an amenable number.

12355324236 is an abundant number, since it is smaller than the sum of its proper divisors (18914305428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12355324236 is a wasteful number, since it uses less digits than its factorization.

12355324236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418862 (or 418857 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

Adding to 12355324236 its reverse (63242355321), we get a palindrome (75597679557).

The spelling of 12355324236 in words is "twelve billion, three hundred fifty-five million, three hundred twenty-four thousand, two hundred thirty-six".