12055204323 has 80 divisors (see below), whose sum is σ = 18868101120. Its totient is φ = 7664630400.

The previous prime is 12055204319. The next prime is 12055204351. The reversal of 12055204323 is 32340255021.

It is a happy number.

12055204323 is a `hidden beast` number, since 1 + 205 + 5 + 20 + 432 + 3 = 666.

It is not a de Polignac number, because 12055204323 - 2² = 12055204319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12055204313) 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 79 ways as a sum of consecutive naturals, for example, 42900943 + ... + 42901223.

It is an arithmetic number, because the mean of its divisors is an integer number (235851264).

Almost surely, 2^12055204323 is an apocalyptic number.

12055204323 is a deficient number, since it is larger than the sum of its proper divisors (6812896797).

12055204323 is a wasteful number, since it uses less digits than its factorization.

12055204323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 12055204323 its reverse (32340255021), we get a palindrome (44395459344).

The spelling of 12055204323 in words is "twelve billion, fifty-five million, two hundred four thousand, three hundred twenty-three".