12203055 has 40 divisors (see below), whose sum is σ = 22651200. Its totient is φ = 6277824.

The previous prime is 12203053. The next prime is 12203063. The reversal of 12203055 is 55030221.

It is a happy number.

It is not a de Polignac number, because 12203055 - 2¹ = 12203053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11226 + ... + 12264.

It is an arithmetic number, because the mean of its divisors is an integer number (566280).

Almost surely, 2^12203055 is an apocalyptic number.

12203055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12203055 is a deficient number, since it is larger than the sum of its proper divisors (10448145).

12203055 is a wasteful number, since it uses less digits than its factorization.

12203055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085 (or 1076 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 12203055 is about 3493.2871339184. The cubic root of 12203055 is about 230.2269656211.

Adding to 12203055 its reverse (55030221), we get a palindrome (67233276).

The spelling of 12203055 in words is "twelve million, two hundred three thousand, fifty-five".