12112111212202 has 8 divisors (see below), whose sum is σ = 18417045816036. Its totient is φ = 5973095940192.

The previous prime is 12112111212191. The next prime is 12112111212217. The reversal of 12112111212202 is 20221211121121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11603772157761 + 508339054441 = 3406431^2 + 712979^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12112111212202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41479832773 + ... + 41479833064.

Almost surely, 2^{12112111212202} is an apocalyptic number.

12112111212202 is a deficient number, since it is larger than the sum of its proper divisors (6304934603834).

12112111212202 is an equidigital number, since it uses as much as digits as its factorization.

12112111212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82959665912.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 12112111212202 its reverse (20221211121121), we get a palindrome (32333322333323).

The spelling of 12112111212202 in words is "twelve trillion, one hundred twelve billion, one hundred eleven million, two hundred twelve thousand, two hundred two".