12112233051 has 4 divisors (see below), whose sum is σ = 16149644072. Its totient is φ = 8074822032.

The previous prime is 12112233043. The next prime is 12112233053. The reversal of 12112233051 is 15033221121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15033221121 = 3 ⋅5011073707.

It is not a de Polignac number, because 12112233051 - 2³ = 12112233043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112233053) 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, 2018705506 + ... + 2018705511.

It is an arithmetic number, because the mean of its divisors is an integer number (4037411018).

Almost surely, 2^12112233051 is an apocalyptic number.

12112233051 is a deficient number, since it is larger than the sum of its proper divisors (4037411021).

12112233051 is an equidigital number, since it uses as much as digits as its factorization.

12112233051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037411020.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 12112233051 its reverse (15033221121), we get a palindrome (27145454172).

The spelling of 12112233051 in words is "twelve billion, one hundred twelve million, two hundred thirty-three thousand, fifty-one".