12112243130 has 32 divisors (see below), whose sum is σ = 24860246544. Its totient is φ = 4209140736.

The previous prime is 12112243127. The next prime is 12112243133. The reversal of 12112243130 is 3134221121.

It is an interprime number because it is at equal distance from previous prime (12112243127) and next prime (12112243133).

It can be written as a sum of positive squares in 8 ways, for example, as 7298797489 + 4813445641 = 85433^2 + 69379^2 .

It is not an unprimeable number, because it can be changed into a prime (12112243133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2738117 + ... + 2742536.

Almost surely, 2^12112243130 is an apocalyptic number.

12112243130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112243130 is an abundant number, since it is smaller than the sum of its proper divisors (12748003414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12112243130 is a wasteful number, since it uses less digits than its factorization.

12112243130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5480690.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12112243130 its reverse (3134221121), we get a palindrome (15246464251).

The spelling of 12112243130 in words is "twelve billion, one hundred twelve million, two hundred forty-three thousand, one hundred thirty".