12012220012112 has 40 divisors (see below), whose sum is σ = 23444703297120. Its totient is φ = 5961987239040.

The previous prime is 12012220012057. The next prime is 12012220012139. The reversal of 12012220012112 is 21121002221021.

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, 14225783 + ... + 15046505.

It is an arithmetic number, because the mean of its divisors is an integer number (586117582428).

Almost surely, 2^{12012220012112} is an apocalyptic number.

It is an amenable number.

12012220012112 is a deficient number, since it is larger than the sum of its proper divisors (11432483285008).

12012220012112 is a wasteful number, since it uses less digits than its factorization.

12012220012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827451 (or 827445 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12012220012112 its reverse (21121002221021), we get a palindrome (33133222233133).

The spelling of 12012220012112 in words is "twelve trillion, twelve billion, two hundred twenty million, twelve thousand, one hundred twelve".