12112212222330 has 128 divisors (see below), whose sum is σ = 33985100814336. Its totient is φ = 2732719968000.

The previous prime is 12112212222289. The next prime is 12112212222343. The reversal of 12112212222330 is 3322221221121.

It is a self number, because there is not a number n which added to its sum of digits gives 12112212222330.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21284196 + ... + 21845855.

It is an arithmetic number, because the mean of its divisors is an integer number (265508600112).

Almost surely, 2^{12112212222330} is an apocalyptic number.

12112212222330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112212222330 is an abundant number, since it is smaller than the sum of its proper divisors (21872888592006).

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

12112212222330 is a wasteful number, since it uses less digits than its factorization.

12112212222330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43130132.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 12112212222330 its reverse (3322221221121), we get a palindrome (15434433443451).

The spelling of 12112212222330 in words is "twelve trillion, one hundred twelve billion, two hundred twelve million, two hundred twenty-two thousand, three hundred thirty".