12000020001112 has 128 divisors (see below), whose sum is σ = 27452059810560. Its totient is φ = 4844478481920.

The previous prime is 12000020001071. The next prime is 12000020001113. The reversal of 12000020001112 is 21110002000021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000020001113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1475398 + ... + 5116330.

It is an arithmetic number, because the mean of its divisors is an integer number (214469217270).

Almost surely, 2^{12000020001112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12000020001112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13726029905280).

12000020001112 is an abundant number, since it is smaller than the sum of its proper divisors (15452039809448).

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

12000020001112 is a wasteful number, since it uses less digits than its factorization.

12000020001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641073 (or 3641069 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12000020001112 its reverse (21110002000021), we get a palindrome (33110022001133).

The spelling of 12000020001112 in words is "twelve trillion, twenty million, one thousand, one hundred twelve".