12112100000212 has 12 divisors (see below), whose sum is σ = 21198017745856. Its totient is φ = 6055523501400.

The previous prime is 12112100000207. The next prime is 12112100000219. The reversal of 12112100000212 is 21200000121121.

It is a junction number, because it is equal to n+sod(n) for n = 12112100000192 and 12112100000201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112100000219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131572914 + ... + 131664937.

Almost surely, 2^{12112100000212} is an apocalyptic number.

It is an amenable number.

12112100000212 is a deficient number, since it is larger than the sum of its proper divisors (9085917745644).

12112100000212 is a wasteful number, since it uses less digits than its factorization.

12112100000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263249358 (or 263249356 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12112100000212 its reverse (21200000121121), we get a palindrome (33312100121333).

The spelling of 12112100000212 in words is "twelve trillion, one hundred twelve billion, one hundred million, two hundred twelve", and thus it is an aban number.