12112101203 has 4 divisors (see below), whose sum is σ = 12155205048. Its totient is φ = 12068997360.

The previous prime is 12112101191. The next prime is 12112101263. The reversal of 12112101203 is 30210121121.

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 12112101203 - 2⁸ = 12112100947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112101263) 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, 21551501 + ... + 21552062.

It is an arithmetic number, because the mean of its divisors is an integer number (3038801262).

Almost surely, 2^12112101203 is an apocalyptic number.

12112101203 is a deficient number, since it is larger than the sum of its proper divisors (43103845).

12112101203 is an equidigital number, since it uses as much as digits as its factorization.

12112101203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43103844.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12112101203 its reverse (30210121121), we get a palindrome (42322222324).

The spelling of 12112101203 in words is "twelve billion, one hundred twelve million, one hundred one thousand, two hundred three".