12355433224 has 8 divisors (see below), whose sum is σ = 23166437310. Its totient is φ = 6177716608.

The previous prime is 12355433201. The next prime is 12355433249. The reversal of 12355433224 is 42233455321.

It can be written as a sum of positive squares in only one way, i.e., 11060728900 + 1294704324 = 105170^2 + 35982^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 12355433224.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 772214569 + ... + 772214584.

Almost surely, 2^12355433224 is an apocalyptic number.

It is an amenable number.

12355433224 is a deficient number, since it is larger than the sum of its proper divisors (10811004086).

12355433224 is a wasteful number, since it uses less digits than its factorization.

12355433224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544429159 (or 1544429155 counting only the distinct ones).

The product of its digits is 86400, while the sum is 34.

Adding to 12355433224 its reverse (42233455321), we get a palindrome (54588888545).

The spelling of 12355433224 in words is "twelve billion, three hundred fifty-five million, four hundred thirty-three thousand, two hundred twenty-four".