12112220202122 has 32 divisors (see below), whose sum is σ = 18628931629440. Its totient is φ = 5905100491200.

The previous prime is 12112220202119. The next prime is 12112220202127. The reversal of 12112220202122 is 22120202221121.

It is a junction number, because it is equal to n+sod(n) for n = 12112220202094 and 12112220202103.

It is not an unprimeable number, because it can be changed into a prime (12112220202127) 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, 1802828 + ... + 5241624.

It is an arithmetic number, because the mean of its divisors is an integer number (582154113420).

Almost surely, 2^{12112220202122} is an apocalyptic number.

12112220202122 is a deficient number, since it is larger than the sum of its proper divisors (6516711427318).

12112220202122 is a wasteful number, since it uses less digits than its factorization.

12112220202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3439166.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12112220202122 its reverse (22120202221121), we get a palindrome (34232422423243).

The spelling of 12112220202122 in words is "twelve trillion, one hundred twelve billion, two hundred twenty million, two hundred two thousand, one hundred twenty-two".