12112001010212 has 48 divisors (see below), whose sum is σ = 21450977079168. Its totient is φ = 5983371279360.

The previous prime is 12112001010211. The next prime is 12112001010233. The reversal of 12112001010212 is 21201010021121.

It is not an unprimeable number, because it can be changed into a prime (12112001010211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 644348798 + ... + 644367594.

It is an arithmetic number, because the mean of its divisors is an integer number (446895355816).

Almost surely, 2^{12112001010212} is an apocalyptic number.

It is an amenable number.

12112001010212 is a deficient number, since it is larger than the sum of its proper divisors (9338976068956).

12112001010212 is a wasteful number, since it uses less digits than its factorization.

12112001010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21636 (or 21634 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12112001010212 its reverse (21201010021121), we get a palindrome (33313011031333).

The spelling of 12112001010212 in words is "twelve trillion, one hundred twelve billion, one million, ten thousand, two hundred twelve".