12204221153 has 4 divisors (see below), whose sum is σ = 12734839488. Its totient is φ = 11673602820.

The previous prime is 12204221131. The next prime is 12204221179. The reversal of 12204221153 is 35112240221.

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 not a de Polignac number, because 12204221153 - 2¹⁶ = 12204155617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 530618311 = 12204221153 / (1 + 2 + 2 + 0 + 4 + 2 + 2 + 1 + 1 + 5 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12204221753) 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, 265309133 + ... + 265309178.

It is an arithmetic number, because the mean of its divisors is an integer number (3183709872).

Almost surely, 2^12204221153 is an apocalyptic number.

It is an amenable number.

12204221153 is a deficient number, since it is larger than the sum of its proper divisors (530618335).

12204221153 is an equidigital number, since it uses as much as digits as its factorization.

12204221153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530618334.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 12204221153 its reverse (35112240221), we get a palindrome (47316461374).

The spelling of 12204221153 in words is "twelve billion, two hundred four million, two hundred twenty-one thousand, one hundred fifty-three".