12204553305 has 16 divisors (see below), whose sum is σ = 22316897664. Its totient is φ = 5579224320.

The previous prime is 12204553301. The next prime is 12204553331. The reversal of 12204553305 is 50335540221.

It is not a de Polignac number, because 12204553305 - 2² = 12204553301 is a prime.

It is a super-2 number, since 2×12204553305² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12204553301) 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 15 ways as a sum of consecutive naturals, for example, 58116816 + ... + 58117025.

It is an arithmetic number, because the mean of its divisors is an integer number (1394806104).

Almost surely, 2^12204553305 is an apocalyptic number.

12204553305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12204553305 is a deficient number, since it is larger than the sum of its proper divisors (10112344359).

12204553305 is a wasteful number, since it uses less digits than its factorization.

12204553305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116233856.

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 12204553305 in words is "twelve billion, two hundred four million, five hundred fifty-three thousand, three hundred five".