12122203 has 4 divisors (see below), whose sum is σ = 12540240. Its totient is φ = 11704168.

The previous prime is 12122191. The next prime is 12122221. The reversal of 12122203 is 30222121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30222121 = 191 ⋅158231.

It is not a de Polignac number, because 12122203 - 2¹⁷ = 11991131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208975 + ... + 209032.

It is an arithmetic number, because the mean of its divisors is an integer number (3135060).

Almost surely, 2^12122203 is an apocalyptic number.

12122203 is a deficient number, since it is larger than the sum of its proper divisors (418037).

12122203 is an equidigital number, since it uses as much as digits as its factorization.

12122203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418036.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12122203 is about 3481.6954203376. The cubic root of 12122203 is about 229.7173781269.

Adding to 12122203 its reverse (30222121), we get a palindrome (42344324).

The spelling of 12122203 in words is "twelve million, one hundred twenty-two thousand, two hundred three".