12555343033 has 4 divisors (see below), whose sum is σ = 12555991440. Its totient is φ = 12554694628.

The previous prime is 12555342991. The next prime is 12555343057. The reversal of 12555343033 is 33034355521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12555343033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12555343033.

It is not an unprimeable number, because it can be changed into a prime (12555343093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294235 + ... + 334192.

It is an arithmetic number, because the mean of its divisors is an integer number (3138997860).

Almost surely, 2^12555343033 is an apocalyptic number.

It is an amenable number.

12555343033 is a deficient number, since it is larger than the sum of its proper divisors (648407).

12555343033 is an equidigital number, since it uses as much as digits as its factorization.

12555343033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648406.

The product of its (nonzero) digits is 81000, while the sum is 34.

Adding to 12555343033 its reverse (33034355521), we get a palindrome (45589698554).

The spelling of 12555343033 in words is "twelve billion, five hundred fifty-five million, three hundred forty-three thousand, thirty-three".