12101222203 has 4 divisors (see below), whose sum is σ = 13829968240. Its totient is φ = 10372476168.

The previous prime is 12101222173. The next prime is 12101222209. The reversal of 12101222203 is 30222210121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30222210121 = 67 ⋅451077763.

It is a cyclic number.

It is not a de Polignac number, because 12101222203 - 2⁵ = 12101222171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101222209) 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, 864373008 + ... + 864373021.

It is an arithmetic number, because the mean of its divisors is an integer number (3457492060).

Almost surely, 2^12101222203 is an apocalyptic number.

12101222203 is a deficient number, since it is larger than the sum of its proper divisors (1728746037).

12101222203 is an equidigital number, since it uses as much as digits as its factorization.

12101222203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728746036.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12101222203 its reverse (30222210121), we get a palindrome (42323432324).

The spelling of 12101222203 in words is "twelve billion, one hundred one million, two hundred twenty-two thousand, two hundred three".