12112112203 has 4 divisors (see below), whose sum is σ = 12232034208. Its totient is φ = 11992190200.

The previous prime is 12112112143. The next prime is 12112112209. The reversal of 12112112203 is 30221121121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12112112203 - 2⁹ = 12112111691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112112209) 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, 59960851 + ... + 59961052.

It is an arithmetic number, because the mean of its divisors is an integer number (3058008552).

Almost surely, 2^12112112203 is an apocalyptic number.

12112112203 is a deficient number, since it is larger than the sum of its proper divisors (119922005).

12112112203 is a wasteful number, since it uses less digits than its factorization.

12112112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119922004.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12112112203 its reverse (30221121121), we get a palindrome (42333233324).

The spelling of 12112112203 in words is "twelve billion, one hundred twelve million, one hundred twelve thousand, two hundred three".