12112322202 has 20 divisors (see below), whose sum is σ = 27140574186. Its totient is φ = 4037440680.

The previous prime is 12112322171. The next prime is 12112322203. The reversal of 12112322202 is 20222321121.

12112322202 is a `hidden beast` number, since 1 + 211 + 232 + 220 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6809715441 + 5302606761 = 82521^2 + 72819^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12112322203) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 37383549 + ... + 37383872.

Almost surely, 2^12112322202 is an apocalyptic number.

12112322202 is an abundant number, since it is smaller than the sum of its proper divisors (15028251984).

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

12112322202 is an equidigital number, since it uses as much as digits as its factorization.

12112322202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74767435 (or 74767426 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12112322202 its reverse (20222321121), we get a palindrome (32334643323).

The spelling of 12112322202 in words is "twelve billion, one hundred twelve million, three hundred twenty-two thousand, two hundred two".