12112111212022 has 8 divisors (see below), whose sum is σ = 18168232142736. Its totient is φ = 6056033831112.

The previous prime is 12112111212013. The next prime is 12112111212049. The reversal of 12112111212022 is 22021211121121.

It is a happy number.

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

It is a congruent number.

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, 10183033 + ... + 11310100.

It is an arithmetic number, because the mean of its divisors is an integer number (2271029017842).

Almost surely, 2^{12112111212022} is an apocalyptic number.

12112111212022 is a deficient number, since it is larger than the sum of its proper divisors (6056120930714).

12112111212022 is a wasteful number, since it uses less digits than its factorization.

12112111212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21774902.

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

Adding to 12112111212022 its reverse (22021211121121), we get a palindrome (34133322333143).

Subtracting 12112111212022 from its reverse (22021211121121), we obtain a palindrome (9909099909099).

The spelling of 12112111212022 in words is "twelve trillion, one hundred twelve billion, one hundred eleven million, two hundred twelve thousand, twenty-two".