12204401155 has 8 divisors (see below), whose sum is σ = 14790284784. Its totient is φ = 9666852000.

The previous prime is 12204401137. The next prime is 12204401159. The reversal of 12204401155 is 55110440221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12204401155 - 2¹⁷ = 12204270083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12204401159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12083061 + ... + 12084070.

It is an arithmetic number, because the mean of its divisors is an integer number (1848785598).

Almost surely, 2^12204401155 is an apocalyptic number.

12204401155 is a deficient number, since it is larger than the sum of its proper divisors (2585883629).

12204401155 is a wasteful number, since it uses less digits than its factorization.

12204401155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24167237.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 12204401155 its reverse (55110440221), we get a palindrome (67314841376).

The spelling of 12204401155 in words is "twelve billion, two hundred four million, four hundred one thousand, one hundred fifty-five".