12020012002112 has 28 divisors (see below), whose sum is σ = 25255282572900. Its totient is φ = 5656476235776.

The previous prime is 12020012002111. The next prime is 12020012002133. The reversal of 12020012002112 is 21120021002021.

It can be written as a sum of positive squares in 2 ways, for example, as 5258472714496 + 6761539287616 = 2293136^2 + 2600296^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020012002111) 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, 5523901487 + ... + 5523903662.

Almost surely, 2^{12020012002112} is an apocalyptic number.

It is an amenable number.

12020012002112 is an abundant number, since it is smaller than the sum of its proper divisors (13235270570788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12020012002112 is a wasteful number, since it uses less digits than its factorization.

12020012002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11047805178 (or 11047805168 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12020012002112 its reverse (21120021002021), we get a palindrome (33140033004133).

The spelling of 12020012002112 in words is "twelve trillion, twenty billion, twelve million, two thousand, one hundred twelve".