12112321101212 has 6 divisors (see below), whose sum is σ = 21196561927128. Its totient is φ = 6056160550604.

The previous prime is 12112321101161. The next prime is 12112321101227. The reversal of 12112321101212 is 21210112321121.

It is a super-3 number, since 3×12112321101212³ (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 as a sum of consecutive naturals, namely, 1514040137648 + ... + 1514040137655.

It is an arithmetic number, because the mean of its divisors is an integer number (3532760321188).

Almost surely, 2^{12112321101212} is an apocalyptic number.

It is an amenable number.

12112321101212 is a deficient number, since it is larger than the sum of its proper divisors (9084240825916).

12112321101212 is a wasteful number, since it uses less digits than its factorization.

12112321101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028080275307 (or 3028080275305 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 12112321101212 its reverse (21210112321121), we get a palindrome (33322433422333).

The spelling of 12112321101212 in words is "twelve trillion, one hundred twelve billion, three hundred twenty-one million, one hundred one thousand, two hundred twelve".