12112222202 has 16 divisors (see below), whose sum is σ = 18247717800. Its totient is φ = 6029706240.

The previous prime is 12112222153. The next prime is 12112222219. The reversal of 12112222202 is 20222221121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7539622561 + 4572599641 = 86831^2 + 67621^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429002 + ... + 456362.

Almost surely, 2^12112222202 is an apocalyptic number.

12112222202 is a deficient number, since it is larger than the sum of its proper divisors (6135495598).

12112222202 is a wasteful number, since it uses less digits than its factorization.

12112222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28321.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12112222202 its reverse (20222221121), we get a palindrome (32334443323).

The spelling of 12112222202 in words is "twelve billion, one hundred twelve million, two hundred twenty-two thousand, two hundred two".