12112222210012 has 24 divisors (see below), whose sum is σ = 21927476264400. Its totient is φ = 5847232371456.

The previous prime is 12112222210003. The next prime is 12112222210031. The reversal of 12112222210012 is 21001222221121.

It is a super-3 number, since 3×12112222210012³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

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, 17090164 + ... + 17784772.

It is an arithmetic number, because the mean of its divisors is an integer number (913644844350).

Almost surely, 2^{12112222210012} is an apocalyptic number.

It is an amenable number.

12112222210012 is a deficient number, since it is larger than the sum of its proper divisors (9815254054388).

12112222210012 is a wasteful number, since it uses less digits than its factorization.

12112222210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844965 (or 844963 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12112222210012 its reverse (21001222221121), we get a palindrome (33113444431133).

The spelling of 12112222210012 in words is "twelve trillion, one hundred twelve billion, two hundred twenty-two million, two hundred ten thousand, twelve".